22663902 has 8 divisors (see below), whose sum is σ = 45327816. Its totient is φ = 7554632.

The previous prime is 22663891. The next prime is 22663909. The reversal of 22663902 is 20936622.

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

22663902 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22663902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22663909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888653 + ... + 1888664.

It is an arithmetic number, because the mean of its divisors is an integer number (5665977).

Almost surely, 2^22663902 is an apocalyptic number.

22663902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22663902 is a wasteful number, since it uses less digits than its factorization.

22663902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777322.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 22663902 is about 4760.6619287658. The cubic root of 22663902 is about 282.9946516821.

The spelling of 22663902 in words is "twenty-two million, six hundred sixty-three thousand, nine hundred two".