28442262 has 16 divisors (see below), whose sum is σ = 56936880. Its totient is φ = 9472032.

The previous prime is 28442231. The next prime is 28442273. The reversal of 28442262 is 26224482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11164 + ... + 13472.

It is an arithmetic number, because the mean of its divisors is an integer number (3558555).

Almost surely, 2^28442262 is an apocalyptic number.

28442262 is an abundant number, since it is smaller than the sum of its proper divisors (28494618).

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

28442262 is a wasteful number, since it uses less digits than its factorization.

28442262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367.

The product of its digits is 12288, while the sum is 30.

The square root of 28442262 is about 5333.1287252419. The cubic root of 28442262 is about 305.2493240378.

The spelling of 28442262 in words is "twenty-eight million, four hundred forty-two thousand, two hundred sixty-two".