22490193 has 8 divisors (see below), whose sum is σ = 32713056. Its totient is φ = 13630400.

The previous prime is 22490177. The next prime is 22490203. The reversal of 22490193 is 39109422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22490193 - 2⁴ = 22490177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22490193.

It is not an unprimeable number, because it can be changed into a prime (22490123) 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, 340728 + ... + 340793.

It is an arithmetic number, because the mean of its divisors is an integer number (4089132).

Almost surely, 2^22490193 is an apocalyptic number.

It is an amenable number.

22490193 is a deficient number, since it is larger than the sum of its proper divisors (10222863).

22490193 is a wasteful number, since it uses less digits than its factorization.

22490193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681535.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22490193 is about 4742.3826290168. The cubic root of 22490193 is about 282.2697860799.

The spelling of 22490193 in words is "twenty-two million, four hundred ninety thousand, one hundred ninety-three".