22000128 has 40 divisors (see below), whose sum is σ = 58613808. Its totient is φ = 7332864.

The previous prime is 22000127. The next prime is 22000129. The reversal of 22000128 is 82100022.

It is an interprime number because it is at equal distance from previous prime (22000127) and next prime (22000129).

It is not an unprimeable number, because it can be changed into a prime (22000127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5626 + ... + 8697.

Almost surely, 2^22000128 is an apocalyptic number.

It is an amenable number.

22000128 is an abundant number, since it is smaller than the sum of its proper divisors (36613680).

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

22000128 is an equidigital number, since it uses as much as digits as its factorization.

22000128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 22000128 is about 4690.4294046494. The cubic root of 22000128 is about 280.2044764903.

The spelling of 22000128 in words is "twenty-two million, one hundred twenty-eight", and thus it is an aban number.