22455422 has 12 divisors (see below), whose sum is σ = 37024008. Its totient is φ = 10206900.

The previous prime is 22455421. The next prime is 22455437.

22455422 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22455391 and 22455400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46154 + ... + 46637.

It is an arithmetic number, because the mean of its divisors is an integer number (3085334).

Almost surely, 2^22455422 is an apocalyptic number.

22455422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22455422 is a deficient number, since it is larger than the sum of its proper divisors (14568586).

22455422 is a wasteful number, since it uses less digits than its factorization.

22455422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92815 (or 92804 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 22455422 is about 4738.7152267255. The cubic root of 22455422 is about 282.1242431590.

It can be divided in two parts, 2245 and 5422, that added together give a palindrome (7667).

The spelling of 22455422 in words is "twenty-two million, four hundred fifty-five thousand, four hundred twenty-two".