28092722 has 8 divisors (see below), whose sum is σ = 48158976. Its totient is φ = 12039732.

The previous prime is 28092719. The next prime is 28092737. The reversal of 28092722 is 22729082.

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, 1003298 + ... + 1003325.

It is an arithmetic number, because the mean of its divisors is an integer number (6019872).

Almost surely, 2^28092722 is an apocalyptic number.

28092722 is a deficient number, since it is larger than the sum of its proper divisors (20066254).

28092722 is a wasteful number, since it uses less digits than its factorization.

28092722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006632.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28092722 is about 5300.2567862322. The cubic root of 28092722 is about 303.9937166868.

The spelling of 28092722 in words is "twenty-eight million, ninety-two thousand, seven hundred twenty-two".