22704408 has 64 divisors (see below), whose sum is σ = 63468000. Its totient is φ = 7520256.

The previous prime is 22704403. The next prime is 22704413. The reversal of 22704408 is 80440722.

It is an interprime number because it is at equal distance from previous prime (22704403) and next prime (22704413).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22704403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55308 + ... + 55716.

Almost surely, 2^22704408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22704408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31734000).

22704408 is an abundant number, since it is smaller than the sum of its proper divisors (40763592).

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

22704408 is a wasteful number, since it uses less digits than its factorization.

22704408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22704408 is about 4764.9142699528. The cubic root of 22704408 is about 283.1631451609.

The spelling of 22704408 in words is "twenty-two million, seven hundred four thousand, four hundred eight".