28383822 has 12 divisors (see below), whose sum is σ = 61498320. Its totient is φ = 9461268.

The previous prime is 28383811. The next prime is 28383857. The reversal of 28383822 is 22838382.

It is a super-3 number, since 3×28383822³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788422 + ... + 788457.

It is an arithmetic number, because the mean of its divisors is an integer number (5124860).

Almost surely, 2^28383822 is an apocalyptic number.

28383822 is an abundant number, since it is smaller than the sum of its proper divisors (33114498).

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

28383822 is a wasteful number, since it uses less digits than its factorization.

28383822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576887 (or 1576884 counting only the distinct ones).

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

The square root of 28383822 is about 5327.6469477622. The cubic root of 28383822 is about 305.0401165543.

The spelling of 28383822 in words is "twenty-eight million, three hundred eighty-three thousand, eight hundred twenty-two".