22513995602 has 54 divisors (see below), whose sum is σ = 41129325783. Its totient is φ = 9215334744.

The previous prime is 22513995583. The next prime is 22513995607. The reversal of 22513995602 is 20659931522.

It can be written as a sum of positive squares in only one way, i.e., 11256997801 + 11256997801 = 106099^2 + 106099^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106099.

It is not an unprimeable number, because it can be changed into a prime (22513995607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34163549 + ... + 34164207.

Almost surely, 2^22513995602 is an apocalyptic number.

22513995602 is a deficient number, since it is larger than the sum of its proper divisors (18615330181).

22513995602 is an frugal number, since it uses more digits than its factorization.

22513995602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 22513995602 in words is "twenty-two billion, five hundred thirteen million, nine hundred ninety-five thousand, six hundred two".