22531013522 has 8 divisors (see below), whose sum is σ = 33893359500. Its totient is φ = 11233227024.

The previous prime is 22531013521. The next prime is 22531013567.

It is a happy number.

22531013522 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 22485302401 + 45711121 = 149951^2 + 6761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22531013491 and 22531013500.

It is not an unprimeable number, because it can be changed into a prime (22531013521) 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 3 ways as a sum of consecutive naturals, for example, 16138997 + ... + 16140392.

Almost surely, 2^22531013522 is an apocalyptic number.

22531013522 is a deficient number, since it is larger than the sum of its proper divisors (11362345978).

22531013522 is a wasteful number, since it uses less digits than its factorization.

22531013522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32279740.

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 225310 and 13522, that added together give a palindrome (238832).

The spelling of 22531013522 in words is "twenty-two billion, five hundred thirty-one million, thirteen thousand, five hundred twenty-two".