22909297905 has 64 divisors (see below), whose sum is σ = 44263296000. Its totient is φ = 11174858496.

The previous prime is 22909297897. The next prime is 22909297951. The reversal of 22909297905 is 50979290922.

It is not a de Polignac number, because 22909297905 - 2³ = 22909297897 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131416 + ... + 251174.

It is an arithmetic number, because the mean of its divisors is an integer number (691614000).

Almost surely, 2^22909297905 is an apocalyptic number.

It is an amenable number.

22909297905 is a deficient number, since it is larger than the sum of its proper divisors (21353998095).

22909297905 is a wasteful number, since it uses less digits than its factorization.

22909297905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119895 (or 119889 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 22909297905 in words is "twenty-two billion, nine hundred nine million, two hundred ninety-seven thousand, nine hundred five".