22440331132 has 12 divisors (see below), whose sum is σ = 40331946760. Its totient is φ = 10916917776.

The previous prime is 22440331127. The next prime is 22440331163. The reversal of 22440331132 is 23113304422.

It is a super-2 number, since 2×22440331132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22440331097 and 22440331106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75811782 + ... + 75812077.

Almost surely, 2^22440331132 is an apocalyptic number.

It is an amenable number.

22440331132 is a deficient number, since it is larger than the sum of its proper divisors (17891615628).

22440331132 is a wasteful number, since it uses less digits than its factorization.

22440331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151623900 (or 151623898 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22440331132 its reverse (23113304422), we get a palindrome (45553635554).

The spelling of 22440331132 in words is "twenty-two billion, four hundred forty million, three hundred thirty-one thousand, one hundred thirty-two".