22399630 has 32 divisors (see below), whose sum is σ = 44206560. Its totient is φ = 8104320.

The previous prime is 22399607. The next prime is 22399667. The reversal of 22399630 is 3699322.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29212 + ... + 29968.

It is an arithmetic number, because the mean of its divisors is an integer number (1381455).

Almost surely, 2^22399630 is an apocalyptic number.

22399630 is a deficient number, since it is larger than the sum of its proper divisors (21806930).

22399630 is a wasteful number, since it uses less digits than its factorization.

22399630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 22399630 is about 4732.8247379340. The cubic root of 22399630 is about 281.8903971904.

The spelling of 22399630 in words is "twenty-two million, three hundred ninety-nine thousand, six hundred thirty".