22513213235 has 16 divisors (see below), whose sum is σ = 27909184512. Its totient is φ = 17415928800.

The previous prime is 22513213231. The next prime is 22513213319. The reversal of 22513213235 is 53231231522.

It is not a de Polignac number, because 22513213235 - 2² = 22513213231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22513213198 and 22513213207.

It is not an unprimeable number, because it can be changed into a prime (22513213231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143852 + ... + 256358.

It is an arithmetic number, because the mean of its divisors is an integer number (1744324032).

Almost surely, 2^22513213235 is an apocalyptic number.

22513213235 is a deficient number, since it is larger than the sum of its proper divisors (5395971277).

22513213235 is a wasteful number, since it uses less digits than its factorization.

22513213235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113834.

The product of its digits is 10800, while the sum is 29.

Adding to 22513213235 its reverse (53231231522), we get a palindrome (75744444757).

The spelling of 22513213235 in words is "twenty-two billion, five hundred thirteen million, two hundred thirteen thousand, two hundred thirty-five".