28462722 has 32 divisors (see below), whose sum is σ = 60918720. Its totient is φ = 8838720.

The previous prime is 28462699. The next prime is 28462723. The reversal of 28462722 is 22726482.

It is not an unprimeable number, because it can be changed into a prime (28462723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4908 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (1903710).

Almost surely, 2^28462722 is an apocalyptic number.

28462722 is an abundant number, since it is smaller than the sum of its proper divisors (32455998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28462722 is a wasteful number, since it uses less digits than its factorization.

28462722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178.

The product of its digits is 21504, while the sum is 33.

The square root of 28462722 is about 5335.0465789907. The cubic root of 28462722 is about 305.3225004049.

The spelling of 28462722 in words is "twenty-eight million, four hundred sixty-two thousand, seven hundred twenty-two".