22112128 has 16 divisors (see below), whose sum is σ = 44051760. Its totient is φ = 11056000.

The previous prime is 22112107. The next prime is 22112141. The reversal of 22112128 is 82121122.

It is a tau number, because it is divible by the number of its divisors (16).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86248 + ... + 86503.

It is an arithmetic number, because the mean of its divisors is an integer number (2753235).

Almost surely, 2^22112128 is an apocalyptic number.

It is an amenable number.

22112128 is a deficient number, since it is larger than the sum of its proper divisors (21939632).

22112128 is an equidigital number, since it uses as much as digits as its factorization.

22112128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172765 (or 172753 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 22112128 is about 4702.3534533253. The cubic root of 22112128 is about 280.6791676066.

The spelling of 22112128 in words is "twenty-two million, one hundred twelve thousand, one hundred twenty-eight".