22195123 has 2 divisors, whose sum is σ = 22195124. Its totient is φ = 22195122.

The previous prime is 22195111. The next prime is 22195127. The reversal of 22195123 is 32159122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22195123 - 2⁵ = 22195091 is a prime.

It is not a weakly prime, because it can be changed into another prime (22195127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11097561 + 11097562.

It is an arithmetic number, because the mean of its divisors is an integer number (11097562).

Almost surely, 2^22195123 is an apocalyptic number.

22195123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22195123 is an equidigital number, since it uses as much as digits as its factorization.

22195123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 22195123 is about 4711.1700245268. The cubic root of 22195123 is about 281.0298934354.

The spelling of 22195123 in words is "twenty-two million, one hundred ninety-five thousand, one hundred twenty-three".