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22002202000 = 245322748463
BaseRepresentation
bin10100011111011011…
…101111010110010000
32002210101000200001101
4110133123233112100
5330030030431000
614035131314144
71406143426342
oct243733572620
962711020041
1022002202000
119370740019
1243205ab954
1320c844334c
1410ca195292
1588b915e6a
hex51f6ef590

22002202000 has 80 divisors (see below), whose sum is σ = 53436794112. Its totient is φ = 8761929600.

The previous prime is 22002201983. The next prime is 22002202007. The reversal of 22002202000 is 20220022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22002202007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429769 + ... + 478231.

Almost surely, 222002202000 is an apocalyptic number.

22002202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26718397056).

22002202000 is an abundant number, since it is smaller than the sum of its proper divisors (31434592112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002202000 is a wasteful number, since it uses less digits than its factorization.

22002202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48713 (or 48697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22002202000 its reverse (20220022), we get a palindrome (22022422022).

The spelling of 22002202000 in words is "twenty-two billion, two million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 227 250 400 454 500 908 1000 1135 1816 2000 2270 3632 4540 5675 9080 11350 18160 22700 28375 45400 48463 56750 90800 96926 113500 193852 227000 242315 387704 454000 484630 775408 969260 1211575 1938520 2423150 3877040 4846300 6057875 9692600 11001101 12115750 19385200 22002202 24231500 44004404 48463000 55005505 88008808 96926000 110011010 176017616 220022020 275027525 440044040 550055050 880088080 1100110100 1375137625 2200220200 2750275250 4400440400 5500550500 11001101000 22002202000