22164132 has 24 divisors (see below), whose sum is σ = 53385472. Its totient is φ = 7149600.

The previous prime is 22164097. The next prime is 22164133. The reversal of 22164132 is 23146122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22164099 and 22164108.

It is not an unprimeable number, because it can be changed into a prime (22164133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29419 + ... + 30162.

Almost surely, 2^22164132 is an apocalyptic number.

It is an amenable number.

22164132 is an abundant number, since it is smaller than the sum of its proper divisors (31221340).

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

22164132 is a wasteful number, since it uses less digits than its factorization.

22164132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59619 (or 59617 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 22164132 is about 4707.8797775644. The cubic root of 22164132 is about 280.8990320413.

The spelling of 22164132 in words is "twenty-two million, one hundred sixty-four thousand, one hundred thirty-two".