28335422 has 16 divisors (see below), whose sum is σ = 45157200. Its totient is φ = 13296960.

The previous prime is 28335421. The next prime is 28335427. The reversal of 28335422 is 22453382.

It is a super-2 number, since 2×28335422² = 1605792279836168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28335421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (2822325).

Almost surely, 2^28335422 is an apocalyptic number.

28335422 is a deficient number, since it is larger than the sum of its proper divisors (16821778).

28335422 is a wasteful number, since it uses less digits than its factorization.

28335422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971.

The product of its digits is 11520, while the sum is 29.

The square root of 28335422 is about 5323.1026666785. The cubic root of 28335422 is about 304.8666334412.

The spelling of 28335422 in words is "twenty-eight million, three hundred thirty-five thousand, four hundred twenty-two".