22195491 has 8 divisors (see below), whose sum is σ = 29622864. Its totient is φ = 14782560.

The previous prime is 22195471. The next prime is 22195493. The reversal of 22195491 is 19459122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22195491 - 2¹³ = 22187299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22195493) 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, 721 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (3702858).

Almost surely, 2^22195491 is an apocalyptic number.

22195491 is a deficient number, since it is larger than the sum of its proper divisors (7427373).

22195491 is a wasteful number, since it uses less digits than its factorization.

22195491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its digits is 6480, while the sum is 33.

The square root of 22195491 is about 4711.2090804803. The cubic root of 22195491 is about 281.0314466059.

The spelling of 22195491 in words is "twenty-two million, one hundred ninety-five thousand, four hundred ninety-one".