22330566625 has 8 divisors (see below), whose sum is σ = 27868547304. Its totient is φ = 17864453200.

The previous prime is 22330566611. The next prime is 22330566653. The reversal of 22330566625 is 52666503322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 728622049 + 21601944576 = 26993^2 + 146976^2 .

It is not a de Polignac number, because 22330566625 - 2⁷ = 22330566497 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, 89322142 + ... + 89322391.

It is an arithmetic number, because the mean of its divisors is an integer number (3483568413).

Almost surely, 2^22330566625 is an apocalyptic number.

22330566625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22330566625 is a deficient number, since it is larger than the sum of its proper divisors (5537980679).

22330566625 is an equidigital number, since it uses as much as digits as its factorization.

22330566625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178644548 (or 178644538 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 22330566625 in words is "twenty-two billion, three hundred thirty million, five hundred sixty-six thousand, six hundred twenty-five".