28822742 has 8 divisors (see below), whose sum is σ = 46559856. Its totient is φ = 13302792.

The previous prime is 28822733. The next prime is 28822757. The reversal of 28822742 is 24722882.

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

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, 554258 + ... + 554309.

It is an arithmetic number, because the mean of its divisors is an integer number (5819982).

Almost surely, 2^28822742 is an apocalyptic number.

28822742 is a deficient number, since it is larger than the sum of its proper divisors (17737114).

28822742 is a wasteful number, since it uses less digits than its factorization.

28822742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108582.

The product of its digits is 28672, while the sum is 35.

The square root of 28822742 is about 5368.6815886212. The cubic root of 28822742 is about 306.6044341793.

The spelling of 28822742 in words is "twenty-eight million, eight hundred twenty-two thousand, seven hundred forty-two".