22145193 has 24 divisors (see below), whose sum is σ = 36698688. Its totient is φ = 12605472.

The previous prime is 22145161. The next prime is 22145209. The reversal of 22145193 is 39154122.

It is not a de Polignac number, because 22145193 - 2⁵ = 22145161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22145153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21355 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (1529112).

Almost surely, 2^22145193 is an apocalyptic number.

It is an amenable number.

22145193 is a deficient number, since it is larger than the sum of its proper divisors (14553495).

22145193 is a wasteful number, since it uses less digits than its factorization.

22145193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1370 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 22145193 is about 4705.8679326985. The cubic root of 22145193 is about 280.8190008936.

The spelling of 22145193 in words is "twenty-two million, one hundred forty-five thousand, one hundred ninety-three".