22189746 has 16 divisors (see below), whose sum is σ = 44457408. Its totient is φ = 7383600.

The previous prime is 22189729. The next prime is 22189793. The reversal of 22189746 is 64798122.

It is a Curzon 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, 856 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (2778588).

Almost surely, 2^22189746 is an apocalyptic number.

22189746 is an abundant number, since it is smaller than the sum of its proper divisors (22267662).

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

22189746 is a wasteful number, since it uses less digits than its factorization.

22189746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497.

The product of its digits is 48384, while the sum is 39.

The square root of 22189746 is about 4710.5993249267. The cubic root of 22189746 is about 281.0071974617.

The spelling of 22189746 in words is "twenty-two million, one hundred eighty-nine thousand, seven hundred forty-six".