22013031132 has 72 divisors (see below), whose sum is σ = 56466813312. Its totient is φ = 7229325600.

The previous prime is 22013031127. The next prime is 22013031137. The reversal of 22013031132 is 23113031022.

22013031132 is a `hidden beast` number, since 220 + 130 + 311 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22013031127) and next prime (22013031137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013031137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6303907 + ... + 6307397.

It is an arithmetic number, because the mean of its divisors is an integer number (784261296).

Almost surely, 2^22013031132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013031132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28233406656).

22013031132 is an abundant number, since it is smaller than the sum of its proper divisors (34453782180).

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

22013031132 is a wasteful number, since it uses less digits than its factorization.

22013031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013031132 its reverse (23113031022), we get a palindrome (45126062154).

The spelling of 22013031132 in words is "twenty-two billion, thirteen million, thirty-one thousand, one hundred thirty-two".