22631663 has 4 divisors (see below), whose sum is σ = 22678248. Its totient is φ = 22585080.

The previous prime is 22631659. The next prime is 22631669. The reversal of 22631663 is 36613622.

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

It is a cyclic number.

It is not a de Polignac number, because 22631663 - 2² = 22631659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631669) 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, 22556 + ... + 23537.

It is an arithmetic number, because the mean of its divisors is an integer number (5669562).

Almost surely, 2^22631663 is an apocalyptic number.

22631663 is a deficient number, since it is larger than the sum of its proper divisors (46585).

22631663 is an equidigital number, since it uses as much as digits as its factorization.

22631663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46584.

The product of its digits is 7776, while the sum is 29.

The square root of 22631663 is about 4757.2747450615. The cubic root of 22631663 is about 282.8604030433.

The spelling of 22631663 in words is "twenty-two million, six hundred thirty-one thousand, six hundred sixty-three".