22426398 has 24 divisors (see below), whose sum is σ = 49140000. Its totient is φ = 7390944.

The previous prime is 22426381. The next prime is 22426409. The reversal of 22426398 is 89362422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5398 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (2047500).

Almost surely, 2^22426398 is an apocalyptic number.

22426398 is an abundant number, since it is smaller than the sum of its proper divisors (26713602).

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

22426398 is a wasteful number, since it uses less digits than its factorization.

22426398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096 (or 14093 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22426398 is about 4735.6518030784. The cubic root of 22426398 is about 282.0026406875.

The spelling of 22426398 in words is "twenty-two million, four hundred twenty-six thousand, three hundred ninety-eight".