22982428 has 48 divisors (see below), whose sum is σ = 48513024. Its totient is φ = 9313920.

The previous prime is 22982417. The next prime is 22982429. The reversal of 22982428 is 82428922.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22982429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81648 + ... + 81928.

It is an arithmetic number, because the mean of its divisors is an integer number (1010688).

Almost surely, 2^22982428 is an apocalyptic number.

22982428 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 22982428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24256512).

22982428 is an abundant number, since it is smaller than the sum of its proper divisors (25530596).

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

22982428 is a wasteful number, since it uses less digits than its factorization.

22982428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 440 counting only the distinct ones).

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

The square root of 22982428 is about 4793.9991656236. Note that the first 3 decimals coincide. The cubic root of 22982428 is about 284.3142557210.

The spelling of 22982428 in words is "twenty-two million, nine hundred eighty-two thousand, four hundred twenty-eight".