22122132 has 12 divisors (see below), whose sum is σ = 51618336. Its totient is φ = 7374040.

The previous prime is 22122103. The next prime is 22122169. The reversal of 22122132 is 23122122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921744 + ... + 921767.

It is an arithmetic number, because the mean of its divisors is an integer number (4301528).

Almost surely, 2^22122132 is an apocalyptic number.

It is an amenable number.

22122132 is an abundant number, since it is smaller than the sum of its proper divisors (29496204).

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

22122132 is a wasteful number, since it uses less digits than its factorization.

22122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843518 (or 1843516 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 22122132 is about 4703.4170557160. The cubic root of 22122132 is about 280.7214896458.

Adding to 22122132 its reverse (23122122), we get a palindrome (45244254).

The spelling of 22122132 in words is "twenty-two million, one hundred twenty-two thousand, one hundred thirty-two".