22801408 has 44 divisors (see below), whose sum is σ = 52108432. Its totient is φ = 9768960.

The previous prime is 22801391. The next prime is 22801433. The reversal of 22801408 is 80410822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578 + ... + 8758.

Almost surely, 2^22801408 is an apocalyptic number.

22801408 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 22801408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26054216).

22801408 is an abundant number, since it is smaller than the sum of its proper divisors (29307024).

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

22801408 is an equidigital number, since it uses as much as digits as its factorization.

22801408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 22801408 is about 4775.0819888249. The cubic root of 22801408 is about 283.5658247077.

The spelling of 22801408 in words is "twenty-two million, eight hundred one thousand, four hundred eight".