22729954723568 has 80 divisors (see below), whose sum is σ = 46420581794400. Its totient is φ = 10765319685120.

The previous prime is 22729954723549. The next prime is 22729954723571. The reversal of 22729954723568 is 86532745992722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611313938 + ... + 611351118.

It is an arithmetic number, because the mean of its divisors is an integer number (580257272430).

Almost surely, 2^{22729954723568} 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 22729954723568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23210290897200).

22729954723568 is an abundant number, since it is smaller than the sum of its proper divisors (23690627070832).

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

22729954723568 is a wasteful number, since it uses less digits than its factorization.

22729954723568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62130 (or 62124 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 71.

The spelling of 22729954723568 in words is "twenty-two trillion, seven hundred twenty-nine billion, nine hundred fifty-four million, seven hundred twenty-three thousand, five hundred sixty-eight".