28227950 has 24 divisors (see below), whose sum is σ = 52751088. Its totient is φ = 11238080.

The previous prime is 28227943. The next prime is 28227961. The reversal of 28227950 is 5972282.

It is a super-2 number, since 2×28227950² = 1593634322405000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28227950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10439 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (2197962).

Almost surely, 2^28227950 is an apocalyptic number.

28227950 is a deficient number, since it is larger than the sum of its proper divisors (24523138).

28227950 is a wasteful number, since it uses less digits than its factorization.

28227950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 28227950 is about 5312.9982119327. The cubic root of 28227950 is about 304.4807073248.

The spelling of 28227950 in words is "twenty-eight million, two hundred twenty-seven thousand, nine hundred fifty".