22225160 has 32 divisors (see below), whose sum is σ = 51361560. Its totient is φ = 8649216.

The previous prime is 22225129. The next prime is 22225211. The reversal of 22225160 is 6152222.

It can be written as a sum of positive squares in 4 ways, for example, as 20052484 + 2172676 = 4478^2 + 1474^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 6029 + ... + 8988.

Almost surely, 2^22225160 is an apocalyptic number.

22225160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22225160 is an abundant number, since it is smaller than the sum of its proper divisors (29136400).

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

22225160 is a wasteful number, since it uses less digits than its factorization.

22225160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065 (or 15061 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22225160 is about 4714.3567960009. The cubic root of 22225160 is about 281.1566103100.

Adding to 22225160 its reverse (6152222), we get a palindrome (28377382).

The spelling of 22225160 in words is "twenty-two million, two hundred twenty-five thousand, one hundred sixty".