22285888 has 14 divisors (see below), whose sum is σ = 44223686. Its totient is φ = 11142912.

The previous prime is 22285883. The next prime is 22285933. The reversal of 22285888 is 88858222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 82944 = 4712^2 + 288^2 .

It is not an unprimeable number, because it can be changed into a prime (22285883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174045 + ... + 174172.

Almost surely, 2^22285888 is an apocalyptic number.

It is an amenable number.

22285888 is a deficient number, since it is larger than the sum of its proper divisors (21937798).

22285888 is an equidigital number, since it uses as much as digits as its factorization.

22285888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348229 (or 348219 counting only the distinct ones).

The product of its digits is 163840, while the sum is 43.

The square root of 22285888 is about 4720.7931536978. The cubic root of 22285888 is about 281.4124547544.

The spelling of 22285888 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred eighty-eight".