22213138332 has 96 divisors (see below), whose sum is σ = 68421265920. Its totient is φ = 5430251520.

The previous prime is 22213138331. The next prime is 22213138351. The reversal of 22213138332 is 23383131222.

It is a self number, because there is not a number n which added to its sum of digits gives 22213138332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213138331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691357 + ... + 722772.

It is an arithmetic number, because the mean of its divisors is an integer number (712721520).

Almost surely, 2^22213138332 is an apocalyptic number.

22213138332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22213138332 is an abundant number, since it is smaller than the sum of its proper divisors (46208127588).

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

22213138332 is a wasteful number, since it uses less digits than its factorization.

22213138332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414171 (or 1414169 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 22213138332 its reverse (23383131222), we get a palindrome (45596269554).

The spelling of 22213138332 in words is "twenty-two billion, two hundred thirteen million, one hundred thirty-eight thousand, three hundred thirty-two".