22513530001 has 2 divisors, whose sum is σ = 22513530002. Its totient is φ = 22513530000.

The previous prime is 22513529977. The next prime is 22513530031. The reversal of 22513530001 is 10003531522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22447530625 + 65999376 = 149825^2 + 8124^2 .

It is a cyclic number.

It is not a de Polignac number, because 22513530001 - 2²¹ = 22511432849 is a prime.

It is not a weakly prime, because it can be changed into another prime (22513530031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256765000 + 11256765001.

It is an arithmetic number, because the mean of its divisors is an integer number (11256765001).

Almost surely, 2^22513530001 is an apocalyptic number.

It is an amenable number.

22513530001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22513530001 is an equidigital number, since it uses as much as digits as its factorization.

22513530001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 22513530001 in words is "twenty-two billion, five hundred thirteen million, five hundred thirty thousand, one".