22145192 has 16 divisors (see below), whose sum is σ = 41577300. Its totient is φ = 11057920.

The previous prime is 22145161. The next prime is 22145209. The reversal of 22145192 is 29154122.

It can be written as a sum of positive squares in 2 ways, for example, as 22033636 + 111556 = 4694^2 + 334^2 .

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 3 ways as a sum of consecutive naturals, for example, 7184 + ... + 9792.

Almost surely, 2^22145192 is an apocalyptic number.

It is an amenable number.

22145192 is a deficient number, since it is larger than the sum of its proper divisors (19432108).

22145192 is a wasteful number, since it uses less digits than its factorization.

22145192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3672 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 22145192 is about 4705.8678264482. The cubic root of 22145192 is about 280.8189966667.

The spelling of 22145192 in words is "twenty-two million, one hundred forty-five thousand, one hundred ninety-two".