22195893 has 16 divisors (see below), whose sum is σ = 30533760. Its totient is φ = 14331456.

The previous prime is 22195889. The next prime is 22195981. The reversal of 22195893 is 39859122.

It is not a de Polignac number, because 22195893 - 2² = 22195889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195093) 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, 39571 + ... + 40127.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 2^22195893 is an apocalyptic number.

It is an amenable number.

22195893 is a deficient number, since it is larger than the sum of its proper divisors (8337867).

22195893 is a wasteful number, since it uses less digits than its factorization.

22195893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its digits is 38880, while the sum is 39.

The square root of 22195893 is about 4711.2517444942. The cubic root of 22195893 is about 281.0331432562.

The spelling of 22195893 in words is "twenty-two million, one hundred ninety-five thousand, eight hundred ninety-three".