22666562625 has 32 divisors (see below), whose sum is σ = 43105330944. Its totient is φ = 10361856000.

The previous prime is 22666562623. The next prime is 22666562641. The reversal of 22666562625 is 52626566622.

It is not a de Polignac number, because 22666562625 - 2¹ = 22666562623 is a prime.

It is a super-2 number, since 2×22666562625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22666562623) 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, 4314816 + ... + 4320065.

It is an arithmetic number, because the mean of its divisors is an integer number (1347041592).

Almost surely, 2^22666562625 is an apocalyptic number.

22666562625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22666562625 is a deficient number, since it is larger than the sum of its proper divisors (20438768319).

22666562625 is an equidigital number, since it uses as much as digits as its factorization.

22666562625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634906 (or 8634896 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 22666562625 in words is "twenty-two billion, six hundred sixty-six million, five hundred sixty-two thousand, six hundred twenty-five".