28674822 has 48 divisors (see below), whose sum is σ = 63737856. Its totient is φ = 8593200.

The previous prime is 28674803. The next prime is 28674829. The reversal of 28674822 is 22847682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28674829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92047 + ... + 92357.

It is an arithmetic number, because the mean of its divisors is an integer number (1327872).

Almost surely, 2^28674822 is an apocalyptic number.

28674822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28674822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31868928).

28674822 is an abundant number, since it is smaller than the sum of its proper divisors (35063034).

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

28674822 is a wasteful number, since it uses less digits than its factorization.

28674822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 454 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 28674822 is about 5354.8876738920. The cubic root of 28674822 is about 306.0790303796.

The spelling of 28674822 in words is "twenty-eight million, six hundred seventy-four thousand, eight hundred twenty-two".