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22002224244 = 223711213212809
BaseRepresentation
bin10100011111011011…
…110100110001110100
32002210101001210120020
4110133123310301310
5330030032133434
614035132005140
71406143551240
oct243733646164
962711053506
1022002224244
119370755800
1243206007b0
1320c8450500
1410ca19d420
1588b91c849
hex51f6f4c74

22002224244 has 216 divisors, whose sum is σ = 69839300160. Its totient is φ = 5274846720.

The previous prime is 22002224213. The next prime is 22002224291. The reversal of 22002224244 is 44242220022.

It is a super-2 number, since 2×220022242442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1711312 + ... + 1724120.

Almost surely, 222002224244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002224244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34919650080).

22002224244 is an abundant number, since it is smaller than the sum of its proper divisors (47837075916).

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

22002224244 is a wasteful number, since it uses less digits than its factorization.

22002224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871 (or 12845 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22002224244 its reverse (44242220022), we get a palindrome (66244444266).

The spelling of 22002224244 in words is "twenty-two billion, two million, two hundred twenty-four thousand, two hundred forty-four".