22812513 has 8 divisors (see below), whose sum is σ = 30845376. Its totient is φ = 14994000.

The previous prime is 22812479. The next prime is 22812539. The reversal of 22812513 is 31521822.

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

It is not a de Polignac number, because 22812513 - 2¹⁰ = 22811489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22812563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53338 + ... + 53763.

It is an arithmetic number, because the mean of its divisors is an integer number (3855672).

Almost surely, 2^22812513 is an apocalyptic number.

It is an amenable number.

22812513 is a deficient number, since it is larger than the sum of its proper divisors (8032863).

22812513 is a wasteful number, since it uses less digits than its factorization.

22812513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107175.

The product of its digits is 960, while the sum is 24.

The square root of 22812513 is about 4776.2446545377. The cubic root of 22812513 is about 283.6118523829.

The spelling of 22812513 in words is "twenty-two million, eight hundred twelve thousand, five hundred thirteen".