13222231132 has 24 divisors (see below), whose sum is σ = 25426704240. Its totient is φ = 5966232960.

The previous prime is 13222231103. The next prime is 13222231153. The reversal of 13222231132 is 23113222231.

It is a super-2 number, since 2×13222231132² (a number of 21 digits) contains 22 as substring.

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, 1090707 + ... + 1102762.

It is an arithmetic number, because the mean of its divisors is an integer number (1059446010).

Almost surely, 2^13222231132 is an apocalyptic number.

It is an amenable number.

13222231132 is a deficient number, since it is larger than the sum of its proper divisors (12204473108).

13222231132 is a wasteful number, since it uses less digits than its factorization.

13222231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193621 (or 2193619 counting only the distinct ones).

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

Adding to 13222231132 its reverse (23113222231), we get a palindrome (36335453363).

The spelling of 13222231132 in words is "thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-two".