22408480 has 24 divisors (see below), whose sum is σ = 52940412. Its totient is φ = 8963328.

The previous prime is 22408471. The next prime is 22408481. The reversal of 22408480 is 8480422.

It can be written as a sum of positive squares in 2 ways, for example, as 21641104 + 767376 = 4652^2 + 876^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22408481) 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, 69867 + ... + 70186.

Almost surely, 2^22408480 is an apocalyptic number.

22408480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22408480 is an abundant number, since it is smaller than the sum of its proper divisors (30531932).

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

22408480 is a wasteful number, since it uses less digits than its factorization.

22408480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140068 (or 140060 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 22408480 is about 4733.7596052187. The cubic root of 22408480 is about 281.9275168740.

The spelling of 22408480 in words is "twenty-two million, four hundred eight thousand, four hundred eighty".