22428336 has 40 divisors (see below), whose sum is σ = 66217984. Its totient is φ = 6408000.

The previous prime is 22428277. The next prime is 22428349. The reversal of 22428336 is 63382422.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33040 + ... + 33711.

Almost surely, 2^22428336 is an apocalyptic number.

It is an amenable number.

22428336 is an abundant number, since it is smaller than the sum of its proper divisors (43789648).

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

22428336 is a wasteful number, since it uses less digits than its factorization.

22428336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66769 (or 66763 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 22428336 is about 4735.8564167424. The cubic root of 22428336 is about 282.0107636352.

The spelling of 22428336 in words is "twenty-two million, four hundred twenty-eight thousand, three hundred thirty-six".