22402112022 has 12 divisors (see below), whose sum is σ = 48537909420. Its totient is φ = 7467370668.

The previous prime is 22402112011. The next prime is 22402112039. The reversal of 22402112022 is 22021120422.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1244561779 = 22402112022 / (2 + 2 + 4 + 0 + 2 + 1 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22402111986 and 22402112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622280872 + ... + 622280907.

It is an arithmetic number, because the mean of its divisors is an integer number (4044825785).

Almost surely, 2^22402112022 is an apocalyptic number.

22402112022 is an abundant number, since it is smaller than the sum of its proper divisors (26135797398).

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

22402112022 is a wasteful number, since it uses less digits than its factorization.

22402112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244561787 (or 1244561784 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22402112022 its reverse (22021120422), we get a palindrome (44423232444).

The spelling of 22402112022 in words is "twenty-two billion, four hundred two million, one hundred twelve thousand, twenty-two".