22513543412 has 24 divisors (see below), whose sum is σ = 40194018816. Its totient is φ = 11031280128.

The previous prime is 22513543387. The next prime is 22513543421. The reversal of 22513543412 is 21434531522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165908 + ... + 269355.

It is an arithmetic number, because the mean of its divisors is an integer number (1674750784).

Almost surely, 2^22513543412 is an apocalyptic number.

It is an amenable number.

22513543412 is a deficient number, since it is larger than the sum of its proper divisors (17680475404).

22513543412 is a wasteful number, since it uses less digits than its factorization.

22513543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435527 (or 435525 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The spelling of 22513543412 in words is "twenty-two billion, five hundred thirteen million, five hundred forty-three thousand, four hundred twelve".