28574022 has 8 divisors (see below), whose sum is σ = 57148056. Its totient is φ = 9524672.

The previous prime is 28574017. The next prime is 28574041. The reversal of 28574022 is 22047582.

It is a sphenic number, since it is the product of 3 distinct primes.

28574022 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381163 + ... + 2381174.

It is an arithmetic number, because the mean of its divisors is an integer number (7143507).

Almost surely, 2^28574022 is an apocalyptic number.

28574022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28574022 is a wasteful number, since it uses less digits than its factorization.

28574022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762342.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 28574022 is about 5345.4674257730. The cubic root of 28574022 is about 305.7199582400.

The spelling of 28574022 in words is "twenty-eight million, five hundred seventy-four thousand, twenty-two".