22225584 has 20 divisors (see below), whose sum is σ = 57416216. Its totient is φ = 7408512.

The previous prime is 22225583. The next prime is 22225597. The reversal of 22225584 is 48552222.

It is a Smith number, since the sum of its digits (30) 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 (22225583) 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, 231469 + ... + 231564.

Almost surely, 2^22225584 is an apocalyptic number.

22225584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22225584 is an abundant number, since it is smaller than the sum of its proper divisors (35190632).

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

22225584 is a wasteful number, since it uses less digits than its factorization.

22225584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463044 (or 463038 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 22225584 is about 4714.4017648054. The cubic root of 22225584 is about 281.1583982184.

The spelling of 22225584 in words is "twenty-two million, two hundred twenty-five thousand, five hundred eighty-four".