22195145255 has 8 divisors (see below), whose sum is σ = 26732457024. Its totient is φ = 17690594400.

The previous prime is 22195145239. The next prime is 22195145261. The reversal of 22195145255 is 55254159122.

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

It is not a de Polignac number, because 22195145255 - 2⁴ = 22195145239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8188736 + ... + 8191445.

It is an arithmetic number, because the mean of its divisors is an integer number (3341557128).

Almost surely, 2^22195145255 is an apocalyptic number.

22195145255 is a deficient number, since it is larger than the sum of its proper divisors (4537311769).

22195145255 is a wasteful number, since it uses less digits than its factorization.

22195145255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380457.

The product of its digits is 180000, while the sum is 41.

The spelling of 22195145255 in words is "twenty-two billion, one hundred ninety-five million, one hundred forty-five thousand, two hundred fifty-five".