22185492 has 24 divisors (see below), whose sum is σ = 59161536. Its totient is φ = 6338688.

The previous prime is 22185461. The next prime is 22185497. The reversal of 22185492 is 29458122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22185497) 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, 131973 + ... + 132140.

It is an arithmetic number, because the mean of its divisors is an integer number (2465064).

Almost surely, 2^22185492 is an apocalyptic number.

It is an amenable number.

22185492 is an abundant number, since it is smaller than the sum of its proper divisors (36976044).

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

22185492 is a wasteful number, since it uses less digits than its factorization.

22185492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264127 (or 264125 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 22185492 is about 4710.1477683826. The cubic root of 22185492 is about 280.9892390015.

The spelling of 22185492 in words is "twenty-two million, one hundred eighty-five thousand, four hundred ninety-two".