22513513516 has 48 divisors (see below), whose sum is σ = 44958511360. Its totient is φ = 9778708800.

The previous prime is 22513513511. The next prime is 22513513531. The reversal of 22513513516 is 61531531522.

It is a super-2 number, since 2×22513513516² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22513513511) 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 15 ways as a sum of consecutive naturals, for example, 73735 + ... + 224641.

Almost surely, 2^22513513516 is an apocalyptic number.

22513513516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22513513516 is a deficient number, since it is larger than the sum of its proper divisors (22444997844).

22513513516 is a wasteful number, since it uses less digits than its factorization.

22513513516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151094 (or 151092 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The spelling of 22513513516 in words is "twenty-two billion, five hundred thirteen million, five hundred thirteen thousand, five hundred sixteen".