22670722625 has 8 divisors (see below), whose sum is σ = 28293061992. Its totient is φ = 18136578000.

The previous prime is 22670722619. The next prime is 22670722643. The reversal of 22670722625 is 52622707622.

It is a Cunningham number, because it is equal to 150568²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 22670722624 = 1^2 + 150568^2 .

It is not a de Polignac number, because 22670722625 - 2¹² = 22670718529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90682766 + ... + 90683015.

It is an arithmetic number, because the mean of its divisors is an integer number (3536632749).

Almost surely, 2^22670722625 is an apocalyptic number.

22670722625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22670722625 is a deficient number, since it is larger than the sum of its proper divisors (5622339367).

22670722625 is an equidigital number, since it uses as much as digits as its factorization.

22670722625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181365796 (or 181365786 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 22670722625 in words is "twenty-two billion, six hundred seventy million, seven hundred twenty-two thousand, six hundred twenty-five".