22212131332 has 24 divisors (see below), whose sum is σ = 39104150400. Its totient is φ = 11039685216.

The previous prime is 22212131321. The next prime is 22212131339. The reversal of 22212131332 is 23313121222.

It is not an unprimeable number, because it can be changed into a prime (22212131339) 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, 517594 + ... + 558862.

It is an arithmetic number, because the mean of its divisors is an integer number (1629339600).

Almost surely, 2^22212131332 is an apocalyptic number.

It is an amenable number.

22212131332 is a deficient number, since it is larger than the sum of its proper divisors (16892019068).

22212131332 is a wasteful number, since it uses less digits than its factorization.

22212131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42075 (or 42073 counting only the distinct ones).

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

Adding to 22212131332 its reverse (23313121222), we get a palindrome (45525252554).

The spelling of 22212131332 in words is "twenty-two billion, two hundred twelve million, one hundred thirty-one thousand, three hundred thirty-two".