22921500554 has 32 divisors (see below), whose sum is σ = 38492858880. Its totient is φ = 10172984832.

The previous prime is 22921500541. The next prime is 22921500557. The reversal of 22921500554 is 45500512922.

It is not an unprimeable number, because it can be changed into a prime (22921500557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64502 + ... + 223614.

It is an arithmetic number, because the mean of its divisors is an integer number (1202901840).

Almost surely, 2^22921500554 is an apocalyptic number.

22921500554 is a deficient number, since it is larger than the sum of its proper divisors (15571358326).

22921500554 is a wasteful number, since it uses less digits than its factorization.

22921500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159374.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 22921500554 in words is "twenty-two billion, nine hundred twenty-one million, five hundred thousand, five hundred fifty-four".