22001312332 has 24 divisors (see below), whose sum is σ = 39094529264. Its totient is φ = 10831594752.

The previous prime is 22001312329. The next prime is 22001312339. The reversal of 22001312332 is 23321310022.

It is not an unprimeable number, because it can be changed into a prime (22001312339) 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, 619768 + ... + 654304.

Almost surely, 2^22001312332 is an apocalyptic number.

It is an amenable number.

22001312332 is a deficient number, since it is larger than the sum of its proper divisors (17093216932).

22001312332 is a wasteful number, since it uses less digits than its factorization.

22001312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36985 (or 36983 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22001312332 its reverse (23321310022), we get a palindrome (45322622354).

The spelling of 22001312332 in words is "twenty-two billion, one million, three hundred twelve thousand, three hundred thirty-two".