28622682 has 48 divisors (see below), whose sum is σ = 69499872. Its totient is φ = 8436960.

The previous prime is 28622669. The next prime is 28622689.

28622682 is a `hidden beast` number, since 28 + 622 + 6 + 8 + 2 = 666.

28622682 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28622689) 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, 5373 + ... + 9279.

It is an arithmetic number, because the mean of its divisors is an integer number (1447914).

Almost surely, 2^28622682 is an apocalyptic number.

28622682 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 28622682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34749936).

28622682 is an abundant number, since it is smaller than the sum of its proper divisors (40877190).

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

28622682 is a wasteful number, since it uses less digits than its factorization.

28622682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3960 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 28622682 is about 5350.0170093188. The cubic root of 28622682 is about 305.8934012905.

The spelling of 28622682 in words is "twenty-eight million, six hundred twenty-two thousand, six hundred eighty-two".