22634897 has 4 divisors (see below), whose sum is σ = 22658340. Its totient is φ = 22611456.

The previous prime is 22634893. The next prime is 22634923. The reversal of 22634897 is 79843622.

It is a happy number.

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 14432401 + 8202496 = 3799^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 22634897 - 2² = 22634893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22634893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10208 + ... + 12225.

It is an arithmetic number, because the mean of its divisors is an integer number (5664585).

Almost surely, 2^22634897 is an apocalyptic number.

It is an amenable number.

22634897 is a deficient number, since it is larger than the sum of its proper divisors (23443).

22634897 is a wasteful number, since it uses less digits than its factorization.

22634897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442.

The product of its digits is 145152, while the sum is 41.

The square root of 22634897 is about 4757.6146334061. The cubic root of 22634897 is about 282.8738757161.

The spelling of 22634897 in words is "twenty-two million, six hundred thirty-four thousand, eight hundred ninety-seven".