28416722 has 8 divisors (see below), whose sum is σ = 43616496. Its totient is φ = 13877892.

The previous prime is 28416709. The next prime is 28416737. The reversal of 28416722 is 22761482.

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

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 in 3 ways as a sum of consecutive naturals, for example, 165128 + ... + 165299.

It is an arithmetic number, because the mean of its divisors is an integer number (5452062).

Almost surely, 2^28416722 is an apocalyptic number.

28416722 is a deficient number, since it is larger than the sum of its proper divisors (15199774).

28416722 is a wasteful number, since it uses less digits than its factorization.

28416722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330472.

The product of its digits is 10752, while the sum is 32.

The square root of 28416722 is about 5330.7337206054. The cubic root of 28416722 is about 305.1579294970.

The spelling of 28416722 in words is "twenty-eight million, four hundred sixteen thousand, seven hundred twenty-two".