22438422 has 12 divisors (see below), whose sum is σ = 48616620. Its totient is φ = 7479468.

The previous prime is 22438421. The next prime is 22438433. The reversal of 22438422 is 22483422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623272 + ... + 623307.

It is an arithmetic number, because the mean of its divisors is an integer number (4051385).

Almost surely, 2^22438422 is an apocalyptic number.

22438422 is an abundant number, since it is smaller than the sum of its proper divisors (26178198).

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

22438422 is a wasteful number, since it uses less digits than its factorization.

22438422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246587 (or 1246584 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22438422 is about 4736.9211519720. The cubic root of 22438422 is about 282.0530306184.

The spelling of 22438422 in words is "twenty-two million, four hundred thirty-eight thousand, four hundred twenty-two".