22428492 has 12 divisors (see below), whose sum is σ = 52333176. Its totient is φ = 7476160.

The previous prime is 22428481. The next prime is 22428503. The reversal of 22428492 is 29482422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22428481) and next prime (22428503).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 934509 + ... + 934532.

It is an arithmetic number, because the mean of its divisors is an integer number (4361098).

Almost surely, 2^22428492 is an apocalyptic number.

It is an amenable number.

22428492 is an abundant number, since it is smaller than the sum of its proper divisors (29904684).

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

22428492 is a wasteful number, since it uses less digits than its factorization.

22428492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869048 (or 1869046 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 22428492 is about 4735.8728868077. The cubic root of 22428492 is about 282.0114174745.

The spelling of 22428492 in words is "twenty-two million, four hundred twenty-eight thousand, four hundred ninety-two".