22195245 has 16 divisors (see below), whose sum is σ = 35579520. Its totient is φ = 11815104.

The previous prime is 22195241. The next prime is 22195259. The reversal of 22195245 is 54259122.

It is not a de Polignac number, because 22195245 - 2² = 22195241 is a prime.

It is a super-2 number, since 2×22195245² = 985257801220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9592 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (2223720).

Almost surely, 2^22195245 is an apocalyptic number.

It is an amenable number.

22195245 is a deficient number, since it is larger than the sum of its proper divisors (13384275).

22195245 is a wasteful number, since it uses less digits than its factorization.

22195245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its digits is 7200, while the sum is 30.

The square root of 22195245 is about 4711.1829724603. The cubic root of 22195245 is about 281.0304083471.

The spelling of 22195245 in words is "twenty-two million, one hundred ninety-five thousand, two hundred forty-five".