28092322 has 4 divisors (see below), whose sum is σ = 42138486. Its totient is φ = 14046160.

The previous prime is 28092283. The next prime is 28092341. The reversal of 28092322 is 22329082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24591681 + 3500641 = 4959^2 + 1871^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7023079 + ... + 7023082.

Almost surely, 2^28092322 is an apocalyptic number.

28092322 is a deficient number, since it is larger than the sum of its proper divisors (14046164).

28092322 is a wasteful number, since it uses less digits than its factorization.

28092322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046163.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 28092322 is about 5300.2190520770. The cubic root of 28092322 is about 303.9922738687.

The spelling of 28092322 in words is "twenty-eight million, ninety-two thousand, three hundred twenty-two".