22263808 has 48 divisors (see below), whose sum is σ = 50909040. Its totient is φ = 9535488.

The previous prime is 22263767. The next prime is 22263817. The reversal of 22263808 is 80836222.

It is a self number, because there is not a number n which added to its sum of digits gives 22263808.

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, 13560 + ... + 15112.

It is an arithmetic number, because the mean of its divisors is an integer number (1060605).

Almost surely, 2^22263808 is an apocalyptic number.

22263808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25454520).

22263808 is an abundant number, since it is smaller than the sum of its proper divisors (28645232).

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

22263808 is an equidigital number, since it uses as much as digits as its factorization.

22263808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22263808 is about 4718.4539840927. The cubic root of 22263808 is about 281.3194865018.

The spelling of 22263808 in words is "twenty-two million, two hundred sixty-three thousand, eight hundred eight".