22388112 has 30 divisors (see below), whose sum is σ = 62656022. Its totient is φ = 7462656.

The previous prime is 22388111. The next prime is 22388147. The reversal of 22388112 is 21188322.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 147456 = 4716^2 + 384^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22388111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77593 + ... + 77880.

Almost surely, 2^22388112 is an apocalyptic number.

It is an amenable number.

22388112 is an abundant number, since it is smaller than the sum of its proper divisors (40267910).

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

22388112 is a wasteful number, since it uses less digits than its factorization.

22388112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155487 (or 155478 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 22388112 is about 4731.6077605820. The cubic root of 22388112 is about 281.8420724299.

It can be divided in two parts, 22388 and 112, that added together give a square (22500 = 150²).

The spelling of 22388112 in words is "twenty-two million, three hundred eighty-eight thousand, one hundred twelve".