22426388 has 12 divisors (see below), whose sum is σ = 39281760. Its totient is φ = 11203032.

The previous prime is 22426381. The next prime is 22426409. The reversal of 22426388 is 88362422.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426381) 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 3 ways as a sum of consecutive naturals, for example, 4745 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (3273480).

Almost surely, 2^22426388 is an apocalyptic number.

It is an amenable number.

22426388 is a deficient number, since it is larger than the sum of its proper divisors (16855372).

22426388 is a wasteful number, since it uses less digits than its factorization.

22426388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 22426388 is about 4735.6507472574. The cubic root of 22426388 is about 282.0025987722.

The spelling of 22426388 in words is "twenty-two million, four hundred twenty-six thousand, three hundred eighty-eight".