28202422 has 32 divisors (see below), whose sum is σ = 47628000. Its totient is φ = 12446208.

The previous prime is 28202411. The next prime is 28202429. The reversal of 28202422 is 22420282.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28202393 and 28202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28202429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96108 + ... + 96400.

It is an arithmetic number, because the mean of its divisors is an integer number (1488375).

Almost surely, 2^28202422 is an apocalyptic number.

28202422 is a deficient number, since it is larger than the sum of its proper divisors (19425578).

28202422 is a wasteful number, since it uses less digits than its factorization.

28202422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 28202422 is about 5310.5952585374. The cubic root of 28202422 is about 304.3888937407.

The spelling of 28202422 in words is "twenty-eight million, two hundred two thousand, four hundred twenty-two".