22626507650 has 12 divisors (see below), whose sum is σ = 42085304322. Its totient is φ = 9050603040.

The previous prime is 22626507649. The next prime is 22626507671. The reversal of 22626507650 is 5670562622.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20010082849 + 2616424801 = 141457^2 + 51151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22626507598 and 22626507607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226265027 + ... + 226265126.

Almost surely, 2^22626507650 is an apocalyptic number.

22626507650 is a deficient number, since it is larger than the sum of its proper divisors (19458796672).

22626507650 is a wasteful number, since it uses less digits than its factorization.

22626507650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452530165 (or 452530160 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 22626507650 in words is "twenty-two billion, six hundred twenty-six million, five hundred seven thousand, six hundred fifty".