22001193 has 8 divisors (see below), whose sum is σ = 32594400. Its totient is φ = 14667444.

The previous prime is 22001173. The next prime is 22001197. The reversal of 22001193 is 39110022.

It is a happy number.

It is not a de Polignac number, because 22001193 - 2⁶ = 22001129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22001197) 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, 407403 + ... + 407456.

It is an arithmetic number, because the mean of its divisors is an integer number (4074300).

Almost surely, 2^22001193 is an apocalyptic number.

It is an amenable number.

22001193 is a deficient number, since it is larger than the sum of its proper divisors (10593207).

22001193 is an equidigital number, since it uses as much as digits as its factorization.

22001193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814868 (or 814862 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 22001193 is about 4690.5429323267. The cubic root of 22001193 is about 280.2089978724.

The spelling of 22001193 in words is "twenty-two million, one thousand, one hundred ninety-three".