22397627 has 4 divisors (see below), whose sum is σ = 25597296. Its totient is φ = 19197960.

The previous prime is 22397623. The next prime is 22397707. The reversal of 22397627 is 72679322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22397627 - 2² = 22397623 is a prime.

It is a super-2 number, since 2×22397627² = 1003307390462258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22397623) 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, 1599824 + ... + 1599837.

It is an arithmetic number, because the mean of its divisors is an integer number (6399324).

Almost surely, 2^22397627 is an apocalyptic number.

22397627 is a deficient number, since it is larger than the sum of its proper divisors (3199669).

22397627 is an equidigital number, since it uses as much as digits as its factorization.

22397627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199668.

The product of its digits is 63504, while the sum is 38.

The square root of 22397627 is about 4732.6131259591. The cubic root of 22397627 is about 281.8819946216.

The spelling of 22397627 in words is "twenty-two million, three hundred ninety-seven thousand, six hundred twenty-seven".