22042222422 has 16 divisors (see below), whose sum is σ = 48092121792. Its totient is φ = 6679461320.

The previous prime is 22042222337. The next prime is 22042222441. The reversal of 22042222422 is 22422224022.

It is a junction number, because it is equal to n+sod(n) for n = 22042222392 and 22042222401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166986468 + ... + 166986599.

It is an arithmetic number, because the mean of its divisors is an integer number (3005757612).

Almost surely, 2^22042222422 is an apocalyptic number.

22042222422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22042222422 is an abundant number, since it is smaller than the sum of its proper divisors (26049899370).

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

22042222422 is a wasteful number, since it uses less digits than its factorization.

22042222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333973083.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22042222422 its reverse (22422224022), we get a palindrome (44464446444).

The spelling of 22042222422 in words is "twenty-two billion, forty-two million, two hundred twenty-two thousand, four hundred twenty-two".