22222222132 has 24 divisors (see below), whose sum is σ = 42457060800. Its totient is φ = 10093196160.

The previous prime is 22222222111. The next prime is 22222222157. The reversal of 22222222132 is 23122222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137632 + ... + 251767.

It is an arithmetic number, because the mean of its divisors is an integer number (1769044200).

Almost surely, 2^22222222132 is an apocalyptic number.

22222222132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222222132 is a deficient number, since it is larger than the sum of its proper divisors (20234838668).

22222222132 is a wasteful number, since it uses less digits than its factorization.

22222222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390711 (or 390709 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

Adding to 22222222132 its reverse (23122222222), we get a palindrome (45344444354).

The spelling of 22222222132 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-two".