22916177408421 has 32 divisors (see below), whose sum is σ = 37054500739200. Its totient is φ = 13881746960640.

The previous prime is 22916177408387. The next prime is 22916177408489. The reversal of 22916177408421 is 12480477161922.

It is a happy number.

22916177408421 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 6 + 177 + 40 + 8 + 421 = 666.

It is not a de Polignac number, because 22916177408421 - 2⁹ = 22916177407909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22916177308421) 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, 18411396 + ... + 19616621.

It is an arithmetic number, because the mean of its divisors is an integer number (1157953148100).

Almost surely, 2^{22916177408421} is an apocalyptic number.

It is an amenable number.

22916177408421 is a deficient number, since it is larger than the sum of its proper divisors (14138323330779).

22916177408421 is a wasteful number, since it uses less digits than its factorization.

22916177408421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38030066 (or 38030060 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 22916177408421 in words is "twenty-two trillion, nine hundred sixteen billion, one hundred seventy-seven million, four hundred eight thousand, four hundred twenty-one".