22608827985 has 32 divisors (see below), whose sum is σ = 39107180160. Its totient is φ = 11114661888.

The previous prime is 22608827977. The next prime is 22608827993. The reversal of 22608827985 is 58972880622.

It is an interprime number because it is at equal distance from previous prime (22608827977) and next prime (22608827993).

It is not a de Polignac number, because 22608827985 - 2³ = 22608827977 is a prime.

It is a super-2 number, since 2×22608827985² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1061472 + ... + 1082561.

It is an arithmetic number, because the mean of its divisors is an integer number (1222099380).

Almost surely, 2^22608827985 is an apocalyptic number.

It is an amenable number.

22608827985 is a deficient number, since it is larger than the sum of its proper divisors (16498352175).

22608827985 is a wasteful number, since it uses less digits than its factorization.

22608827985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144097.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 22608827985 in words is "twenty-two billion, six hundred eight million, eight hundred twenty-seven thousand, nine hundred eighty-five".