22857413 has 4 divisors (see below), whose sum is σ = 22909920. Its totient is φ = 22804908.

The previous prime is 22857407. The next prime is 22857421. The reversal of 22857413 is 31475822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22857413 - 2⁴ = 22857397 is a prime.

It is a super-2 number, since 2×22857413² = 1044922658105138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22857413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22857403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25595 + ... + 26472.

It is an arithmetic number, because the mean of its divisors is an integer number (5727480).

Almost surely, 2^22857413 is an apocalyptic number.

It is an amenable number.

22857413 is a deficient number, since it is larger than the sum of its proper divisors (52507).

22857413 is an equidigital number, since it uses as much as digits as its factorization.

22857413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52506.

The product of its digits is 13440, while the sum is 32.

The square root of 22857413 is about 4780.9426894704. The cubic root of 22857413 is about 283.7978004304.

The spelling of 22857413 in words is "twenty-two million, eight hundred fifty-seven thousand, four hundred thirteen".