22974028 has 36 divisors (see below), whose sum is σ = 50512336. Its totient is φ = 8949600.

The previous prime is 22974011. The next prime is 22974037. The reversal of 22974028 is 82047922.

It is a junction number, because it is equal to n+sod(n) for n = 22973984 and 22974002.

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, 3 + ... + 6778.

Almost surely, 2^22974028 is an apocalyptic number.

22974028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22974028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25256168).

22974028 is an abundant number, since it is smaller than the sum of its proper divisors (27538308).

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

22974028 is a wasteful number, since it uses less digits than its factorization.

22974028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22974028 is about 4793.1229902851. The cubic root of 22974028 is about 284.2796128658.

The spelling of 22974028 in words is "twenty-two million, nine hundred seventy-four thousand, twenty-eight".