22157913856134 has 64 divisors (see below), whose sum is σ = 52282110504960. Its totient is φ = 6126414428160.

The previous prime is 22157913856109. The next prime is 22157913856139. The reversal of 22157913856134 is 43165831975122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22157913856139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42667542 + ... + 43183734.

It is an arithmetic number, because the mean of its divisors is an integer number (816907976640).

Almost surely, 2^{22157913856134} is an apocalyptic number.

22157913856134 is an abundant number, since it is smaller than the sum of its proper divisors (30124196648826).

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

22157913856134 is a wasteful number, since it uses less digits than its factorization.

22157913856134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549205.

The product of its digits is 10886400, while the sum is 57.

The spelling of 22157913856134 in words is "twenty-two trillion, one hundred fifty-seven billion, nine hundred thirteen million, eight hundred fifty-six thousand, one hundred thirty-four".