22490630 has 8 divisors (see below), whose sum is σ = 40483152. Its totient is φ = 8996248.

The previous prime is 22490621. The next prime is 22490641. The reversal of 22490630 is 3609422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22490630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124522 + ... + 1124541.

It is an arithmetic number, because the mean of its divisors is an integer number (5060394).

Almost surely, 2^22490630 is an apocalyptic number.

22490630 is a deficient number, since it is larger than the sum of its proper divisors (17992522).

22490630 is a wasteful number, since it uses less digits than its factorization.

22490630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249070.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22490630 is about 4742.4287026797. The cubic root of 22490630 is about 282.2716143004.

The spelling of 22490630 in words is "twenty-two million, four hundred ninety thousand, six hundred thirty".