22412208 has 120 divisors (see below), whose sum is σ = 72630768. Its totient is φ = 5902848.

The previous prime is 22412197. The next prime is 22412213. The reversal of 22412208 is 80221422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30210 + ... + 30942.

Almost surely, 2^22412208 is an apocalyptic number.

22412208 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 22412208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36315384).

22412208 is an abundant number, since it is smaller than the sum of its proper divisors (50218560).

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

22412208 is a wasteful number, since it uses less digits than its factorization.

22412208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22412208 is about 4734.1533561979. The cubic root of 22412208 is about 281.9431503530.

The spelling of 22412208 in words is "twenty-two million, four hundred twelve thousand, two hundred eight".