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22102022012 = 2273125463159
BaseRepresentation
bin10100100101011000…
…100001011101111100
32010001022212001100212
4110211120201131330
5330231104201022
614053055011552
71411465041650
oct244530413574
963038761325
1022102022012
1194120192a4
124349b09bb8
132113022c45
1410d953aa60
158955823e2
hex52562177c

22102022012 has 24 divisors (see below), whose sum is σ = 45629982720. Its totient is φ = 9166736880.

The previous prime is 22102021993. The next prime is 22102022021. The reversal of 22102022012 is 21022020122.

It is a super-3 number, since 3×221020220123 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12730712 + ... + 12732447.

It is an arithmetic number, because the mean of its divisors is an integer number (1901249280).

Almost surely, 222102022012 is an apocalyptic number.

It is an amenable number.

22102022012 is an abundant number, since it is smaller than the sum of its proper divisors (23527960708).

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

22102022012 is a wasteful number, since it uses less digits than its factorization.

22102022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463201 (or 25463199 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22102022012 its reverse (21022020122), we get a palindrome (43124042134).

The spelling of 22102022012 in words is "twenty-two billion, one hundred two million, twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 25463159 50926318 101852636 178242113 356484226 712968452 789357929 1578715858 3157431716 5525505503 11051011006 22102022012