22928837 has 2 divisors, whose sum is σ = 22928838. Its totient is φ = 22928836.

The previous prime is 22928819. The next prime is 22928887. The reversal of 22928837 is 73882922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 6558721 = 4046^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 22928837 - 2¹⁶ = 22863301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22928794 and 22928803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22928887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11464418 + 11464419.

It is an arithmetic number, because the mean of its divisors is an integer number (11464419).

Almost surely, 2^22928837 is an apocalyptic number.

It is an amenable number.

22928837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22928837 is an equidigital number, since it uses as much as digits as its factorization.

22928837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 22928837 is about 4788.4065199187. The cubic root of 22928837 is about 284.0930933654.

The spelling of 22928837 in words is "twenty-two million, nine hundred twenty-eight thousand, eight hundred thirty-seven".