22152888 has 48 divisors (see below), whose sum is σ = 60250320. Its totient is φ = 7353216.

The previous prime is 22152881. The next prime is 22152913. The reversal of 22152888 is 88825122.

It is a happy number.

22152888 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22045 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (1255215).

Almost surely, 2^22152888 is an apocalyptic number.

It is an amenable number.

22152888 is an abundant number, since it is smaller than the sum of its proper divisors (38097432).

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

22152888 is a wasteful number, since it uses less digits than its factorization.

22152888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1301 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 22152888 is about 4706.6854579417. The cubic root of 22152888 is about 280.8515234064.

The spelling of 22152888 in words is "twenty-two million, one hundred fifty-two thousand, eight hundred eighty-eight".