22268413 has 4 divisors (see below), whose sum is σ = 22870300. Its totient is φ = 21666528.

The previous prime is 22268383. The next prime is 22268443. The reversal of 22268413 is 31486222.

It is the 1927-th star number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22268383) and next prime (22268443).

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 14417209 = 2802^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 22268413 - 2¹⁷ = 22137341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22268443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300888 + ... + 300961.

It is an arithmetic number, because the mean of its divisors is an integer number (5717575).

Almost surely, 2^22268413 is an apocalyptic number.

It is an amenable number.

22268413 is a deficient number, since it is larger than the sum of its proper divisors (601887).

22268413 is an equidigital number, since it uses as much as digits as its factorization.

22268413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601886.

The product of its digits is 4608, while the sum is 28.

The square root of 22268413 is about 4718.9419364938. The cubic root of 22268413 is about 281.3388810116.

It can be divided in two parts, 222 and 68413, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 22268413 in words is "twenty-two million, two hundred sixty-eight thousand, four hundred thirteen".