22620297 has 16 divisors (see below), whose sum is σ = 35581952. Its totient is φ = 12508560.

The previous prime is 22620289. The next prime is 22620331. The reversal of 22620297 is 79202622.

It is not a de Polignac number, because 22620297 - 2³ = 22620289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22620287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16723 + ... + 18024.

It is an arithmetic number, because the mean of its divisors is an integer number (2223872).

Almost surely, 2^22620297 is an apocalyptic number.

It is an amenable number.

22620297 is a deficient number, since it is larger than the sum of its proper divisors (12961655).

22620297 is a wasteful number, since it uses less digits than its factorization.

22620297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 22620297 is about 4756.0800035323. The cubic root of 22620297 is about 282.8130427042.

The spelling of 22620297 in words is "twenty-two million, six hundred twenty thousand, two hundred ninety-seven".