22590621941 has 2 divisors, whose sum is σ = 22590621942. Its totient is φ = 22590621940.

The previous prime is 22590621871. The next prime is 22590621953. The reversal of 22590621941 is 14912609522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18307443025 + 4283178916 = 135305^2 + 65446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22590621941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22590621541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11295310970 + 11295310971.

It is an arithmetic number, because the mean of its divisors is an integer number (11295310971).

Almost surely, 2^22590621941 is an apocalyptic number.

It is an amenable number.

22590621941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22590621941 is an equidigital number, since it uses as much as digits as its factorization.

22590621941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 22590621941 in words is "twenty-two billion, five hundred ninety million, six hundred twenty-one thousand, nine hundred forty-one".