195222727 has 6 divisors (see below), whose sum is σ = 223153944. Its totient is φ = 167302080.

The previous prime is 195222721. The next prime is 195222737. The reversal of 195222727 is 727222591.

It is not a de Polignac number, because 195222727 - 2³ = 195222719 is a prime.

It is a super-2 number, since 2×195222727² = 76223826274633058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195222721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34327 + ... + 39607.

It is an arithmetic number, because the mean of its divisors is an integer number (37192324).

Almost surely, 2^195222727 is an apocalyptic number.

195222727 is a deficient number, since it is larger than the sum of its proper divisors (27931217).

195222727 is an frugal number, since it uses more digits than its factorization.

195222727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569 (or 5288 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 195222727 is about 13972.2126737321. The cubic root of 195222727 is about 580.1096968496.

The spelling of 195222727 in words is "one hundred ninety-five million, two hundred twenty-two thousand, seven hundred twenty-seven".