22623646 has 4 divisors (see below), whose sum is σ = 33935472. Its totient is φ = 11311822.

The previous prime is 22623637. The next prime is 22623659. The reversal of 22623646 is 64632622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655910 + ... + 5655913.

It is an arithmetic number, because the mean of its divisors is an integer number (8483868).

Almost surely, 2^22623646 is an apocalyptic number.

22623646 is a deficient number, since it is larger than the sum of its proper divisors (11311826).

22623646 is a wasteful number, since it uses less digits than its factorization.

22623646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311825.

The product of its digits is 20736, while the sum is 31.

The square root of 22623646 is about 4756.4320661605. The cubic root of 22623646 is about 282.8269991101.

The spelling of 22623646 in words is "twenty-two million, six hundred twenty-three thousand, six hundred forty-six".