22298428 has 12 divisors (see below), whose sum is σ = 39662392. Its totient is φ = 10966320.

The previous prime is 22298387. The next prime is 22298429. The reversal of 22298428 is 82489222.

It is a hoax number, since the sum of its digits (37) 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 (22298429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45450 + ... + 45937.

Almost surely, 2^22298428 is an apocalyptic number.

It is an amenable number.

22298428 is a deficient number, since it is larger than the sum of its proper divisors (17363964).

22298428 is a wasteful number, since it uses less digits than its factorization.

22298428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91452 (or 91450 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 22298428 is about 4722.1211335585. The cubic root of 22298428 is about 281.4652273205.

The spelling of 22298428 in words is "twenty-two million, two hundred ninety-eight thousand, four hundred twenty-eight".