22513233231522 has 48 divisors (see below), whose sum is σ = 53739959120640. Its totient is φ = 6754645428000.

The previous prime is 22513233231521. The next prime is 22513233231523.

22513233231522 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 3 + 2 + 332 + 315 + 2 + 2 = 666.

22513233231522 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22513233231521) and next prime (22513233231523).

It is not an unprimeable number, because it can be changed into a prime (22513233231521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562867122 + ... + 562907117.

It is an arithmetic number, because the mean of its divisors is an integer number (1119582481680).

Almost surely, 2^{22513233231522} is an apocalyptic number.

22513233231522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22513233231522 is an abundant number, since it is smaller than the sum of its proper divisors (31226725889118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22513233231522 is a wasteful number, since it uses less digits than its factorization.

22513233231522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125774359 (or 1125774356 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

It can be divided in two parts, 2251323 and 3231522, that added together give a palindrome (5482845).

The spelling of 22513233231522 in words is "twenty-two trillion, five hundred thirteen billion, two hundred thirty-three million, two hundred thirty-one thousand, five hundred twenty-two".