28868122 has 8 divisors (see below), whose sum is σ = 43529472. Its totient is φ = 14358300.

The previous prime is 28868117. The next prime is 28868149. The reversal of 28868122 is 22186882.

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

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, 37404 + ... + 38167.

It is an arithmetic number, because the mean of its divisors is an integer number (5441184).

Almost surely, 2^28868122 is an apocalyptic number.

28868122 is a deficient number, since it is larger than the sum of its proper divisors (14661350).

28868122 is a wasteful number, since it uses less digits than its factorization.

28868122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75764.

The product of its digits is 24576, while the sum is 37.

The square root of 28868122 is about 5372.9062898956. The cubic root of 28868122 is about 306.7652610413.

The spelling of 28868122 in words is "twenty-eight million, eight hundred sixty-eight thousand, one hundred twenty-two".