22231231132 has 24 divisors (see below), whose sum is σ = 43137207792. Its totient is φ = 9939446400.

The previous prime is 22231231129. The next prime is 22231231147. The reversal of 22231231132 is 23113213222.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138753 + ... + 4144120.

It is an arithmetic number, because the mean of its divisors is an integer number (1797383658).

Almost surely, 2^22231231132 is an apocalyptic number.

22231231132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22231231132 is a deficient number, since it is larger than the sum of its proper divisors (20905976660).

22231231132 is a wasteful number, since it uses less digits than its factorization.

22231231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282949 (or 8282947 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 22231231132 its reverse (23113213222), we get a palindrome (45344444354).

The spelling of 22231231132 in words is "twenty-two billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-two".