22630889 has 4 divisors (see below), whose sum is σ = 22682880. Its totient is φ = 22578900.

The previous prime is 22630879. The next prime is 22630921. The reversal of 22630889 is 98803622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22630889 - 2⁸ = 22630633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22630879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25337 + ... + 26214.

It is an arithmetic number, because the mean of its divisors is an integer number (5670720).

Almost surely, 2^22630889 is an apocalyptic number.

It is an amenable number.

22630889 is a deficient number, since it is larger than the sum of its proper divisors (51991).

22630889 is an equidigital number, since it uses as much as digits as its factorization.

22630889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51990.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22630889 is about 4757.1933952699. The cubic root of 22630889 is about 282.8571784099.

The spelling of 22630889 in words is "twenty-two million, six hundred thirty thousand, eight hundred eighty-nine".