22400401332 has 24 divisors (see below), whose sum is σ = 53542423872. Its totient is φ = 7284683200.

The previous prime is 22400401307. The next prime is 22400401333. The reversal of 22400401332 is 23310400422.

It is a junction number, because it is equal to n+sod(n) for n = 22400401299 and 22400401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400401333) 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, 22764144 + ... + 22765127.

It is an arithmetic number, because the mean of its divisors is an integer number (2230934328).

Almost surely, 2^22400401332 is an apocalyptic number.

It is an amenable number.

22400401332 is an abundant number, since it is smaller than the sum of its proper divisors (31142022540).

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

22400401332 is a wasteful number, since it uses less digits than its factorization.

22400401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45529319 (or 45529317 counting only the distinct ones).

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

Adding to 22400401332 its reverse (23310400422), we get a palindrome (45710801754).

The spelling of 22400401332 in words is "twenty-two billion, four hundred million, four hundred one thousand, three hundred thirty-two".