22268597 has 4 divisors (see below), whose sum is σ = 23981580. Its totient is φ = 20555616.

The previous prime is 22268579. The next prime is 22268671. The reversal of 22268597 is 79586222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2430481 + 19838116 = 1559^2 + 4454^2 .

It is a cyclic number.

It is not a de Polignac number, because 22268597 - 2¹⁴ = 22252213 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 (22268507) 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, 856472 + ... + 856497.

It is an arithmetic number, because the mean of its divisors is an integer number (5995395).

Almost surely, 2^22268597 is an apocalyptic number.

It is an amenable number.

22268597 is a deficient number, since it is larger than the sum of its proper divisors (1712983).

22268597 is a wasteful number, since it uses less digits than its factorization.

22268597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712982.

The product of its digits is 120960, while the sum is 41.

The square root of 22268597 is about 4718.9614323493. The cubic root of 22268597 is about 281.3396558941.

The spelling of 22268597 in words is "twenty-two million, two hundred sixty-eight thousand, five hundred ninety-seven".