22431213422 has 32 divisors (see below), whose sum is σ = 35748021600. Its totient is φ = 10539760000.

The previous prime is 22431213421. The next prime is 22431213437.

22431213422 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22431213391 and 22431213400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431213421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313172 + ... + 378072.

It is an arithmetic number, because the mean of its divisors is an integer number (1117125675).

Almost surely, 2^22431213422 is an apocalyptic number.

22431213422 is a deficient number, since it is larger than the sum of its proper divisors (13316808178).

22431213422 is a wasteful number, since it uses less digits than its factorization.

22431213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65092.

The product of its digits is 4608, while the sum is 26.

The spelling of 22431213422 in words is "twenty-two billion, four hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-two".