22891121902 has 16 divisors (see below), whose sum is σ = 37468065024. Its totient is φ = 10402315000.

The previous prime is 22891121879. The next prime is 22891121941. The reversal of 22891121902 is 20912119822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50374 + ... + 219817.

It is an arithmetic number, because the mean of its divisors is an integer number (2341754064).

Almost surely, 2^22891121902 is an apocalyptic number.

22891121902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22891121902 is a deficient number, since it is larger than the sum of its proper divisors (14576943122).

22891121902 is a wasteful number, since it uses less digits than its factorization.

22891121902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274055.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 22891121902 in words is "twenty-two billion, eight hundred ninety-one million, one hundred twenty-one thousand, nine hundred two".