22675637521 has 2 divisors, whose sum is σ = 22675637522. Its totient is φ = 22675637520.

The previous prime is 22675637513. The next prime is 22675637557. The reversal of 22675637521 is 12573657622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11873153296 + 10802484225 = 108964^2 + 103935^2 .

It is a cyclic number.

It is not a de Polignac number, because 22675637521 - 2³ = 22675637513 is a prime.

It is not a weakly prime, because it can be changed into another prime (22675634521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11337818760 + 11337818761.

It is an arithmetic number, because the mean of its divisors is an integer number (11337818761).

Almost surely, 2^22675637521 is an apocalyptic number.

It is an amenable number.

22675637521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22675637521 is an equidigital number, since it uses as much as digits as its factorization.

22675637521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The spelling of 22675637521 in words is "twenty-two billion, six hundred seventy-five million, six hundred thirty-seven thousand, five hundred twenty-one".