22428170 has 16 divisors (see below), whose sum is σ = 42495840. Its totient is φ = 8499024.

The previous prime is 22428157. The next prime is 22428173. The reversal of 22428170 is 7182422.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22428173) 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 7 ways as a sum of consecutive naturals, for example, 58832 + ... + 59211.

It is an arithmetic number, because the mean of its divisors is an integer number (2655990).

Almost surely, 2^22428170 is an apocalyptic number.

22428170 is a deficient number, since it is larger than the sum of its proper divisors (20067670).

22428170 is a wasteful number, since it uses less digits than its factorization.

22428170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118069.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 22428170 is about 4735.8388908408. The cubic root of 22428170 is about 282.0100678799.

The spelling of 22428170 in words is "twenty-two million, four hundred twenty-eight thousand, one hundred seventy".