22001404332 has 12 divisors (see below), whose sum is σ = 51336610136. Its totient is φ = 7333801440.

The previous prime is 22001404319. The next prime is 22001404333. The reversal of 22001404332 is 23340410022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22001404299 and 22001404308.

It is not an unprimeable number, because it can be changed into a prime (22001404333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916725169 + ... + 916725192.

Almost surely, 2^22001404332 is an apocalyptic number.

It is an amenable number.

22001404332 is an abundant number, since it is smaller than the sum of its proper divisors (29335205804).

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

22001404332 is a wasteful number, since it uses less digits than its factorization.

22001404332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833450368 (or 1833450366 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22001404332 its reverse (23340410022), we get a palindrome (45341814354).

The spelling of 22001404332 in words is "twenty-two billion, one million, four hundred four thousand, three hundred thirty-two".