22149192 has 32 divisors (see below), whose sum is σ = 59633280. Its totient is φ = 6815040.

The previous prime is 22149187. The next prime is 22149203. The reversal of 22149192 is 29194122.

It is a happy number.

It is an unprimeable number.

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, 35184 + ... + 35807.

It is an arithmetic number, because the mean of its divisors is an integer number (1863540).

Almost surely, 2^22149192 is an apocalyptic number.

It is an amenable number.

22149192 is an abundant number, since it is smaller than the sum of its proper divisors (37484088).

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

22149192 is a wasteful number, since it uses less digits than its factorization.

22149192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71013 (or 71009 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 22149192 is about 4706.2928085702. The cubic root of 22149192 is about 280.8359033969.

The spelling of 22149192 in words is "twenty-two million, one hundred forty-nine thousand, one hundred ninety-two".