22400401331 has 16 divisors (see below), whose sum is σ = 27938047488. Its totient is φ = 17448436800.

The previous prime is 22400401307. The next prime is 22400401333. The reversal of 22400401331 is 13310400422.

It is a cyclic number.

It is not a de Polignac number, because 22400401331 - 2¹⁴ = 22400384947 is a prime.

It is a super-2 number, since 2×22400401331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400401333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162791 + ... + 267023.

It is an arithmetic number, because the mean of its divisors is an integer number (1746127968).

Almost surely, 2^22400401331 is an apocalyptic number.

22400401331 is a deficient number, since it is larger than the sum of its proper divisors (5537646157).

22400401331 is a wasteful number, since it uses less digits than its factorization.

22400401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107042.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22400401331 its reverse (13310400422), we get a palindrome (35710801753).

Subtracting from 22400401331 its reverse (13310400422), we obtain a palindrome (9090000909).

The spelling of 22400401331 in words is "twenty-two billion, four hundred million, four hundred one thousand, three hundred thirty-one".