22195017 has 12 divisors (see below), whose sum is σ = 34525764. Its totient is φ = 13658400.

The previous prime is 22195003. The next prime is 22195027. The reversal of 22195017 is 71059122.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 15492096 = 2589^2 + 3936^2 .

It is not a de Polignac number, because 22195017 - 2⁴ = 22195001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22195027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94734 + ... + 94967.

It is an arithmetic number, because the mean of its divisors is an integer number (2877147).

Almost surely, 2^22195017 is an apocalyptic number.

It is an amenable number.

22195017 is a deficient number, since it is larger than the sum of its proper divisors (12330747).

22195017 is a wasteful number, since it uses less digits than its factorization.

22195017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189720 (or 189717 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 22195017 is about 4711.1587746541. The cubic root of 22195017 is about 281.0294460516.

The spelling of 22195017 in words is "twenty-two million, one hundred ninety-five thousand, seventeen".