22630297 has 6 divisors (see below), whose sum is σ = 22895438. Its totient is φ = 22368192.

The previous prime is 22630291. The next prime is 22630301. The reversal of 22630297 is 79203622.

It can be written as a sum of positive squares in 3 ways, for example, as 502681 + 22127616 = 709^2 + 4704^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22630297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22630291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6493 + ... + 9349.

Almost surely, 2^22630297 is an apocalyptic number.

It is an amenable number.

22630297 is a deficient number, since it is larger than the sum of its proper divisors (265141).

22630297 is an frugal number, since it uses more digits than its factorization.

22630297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22630297 is about 4757.1311733018. The cubic root of 22630297 is about 282.8547119740.

The spelling of 22630297 in words is "twenty-two million, six hundred thirty thousand, two hundred ninety-seven".