22672576021 has 2 divisors, whose sum is σ = 22672576022. Its totient is φ = 22672576020.

The previous prime is 22672576013. The next prime is 22672576033. The reversal of 22672576021 is 12067527622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18060672100 + 4611903921 = 134390^2 + 67911^2 .

It is a cyclic number.

It is not a de Polignac number, because 22672576021 - 2³ = 22672576013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22672576081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336288010 + 11336288011.

It is an arithmetic number, because the mean of its divisors is an integer number (11336288011).

Almost surely, 2^22672576021 is an apocalyptic number.

It is an amenable number.

22672576021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22672576021 is an equidigital number, since it uses as much as digits as its factorization.

22672576021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 22672576021 in words is "twenty-two billion, six hundred seventy-two million, five hundred seventy-six thousand, twenty-one".