195622144 has 18 divisors (see below), whose sum is σ = 390480650. Its totient is φ = 97810944.

The previous prime is 195622129. The next prime is 195622159. The reversal of 195622144 is 441226591.

It is an interprime number because it is at equal distance from previous prime (195622129) and next prime (195622159).

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 8479744 = 13680^2 + 2912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381819 + ... + 382330.

Almost surely, 2^195622144 is an apocalyptic number.

It is an amenable number.

195622144 is a deficient number, since it is larger than the sum of its proper divisors (194858506).

195622144 is an frugal number, since it uses more digits than its factorization.

195622144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764165 (or 764151 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 195622144 is about 13986.4986326099. The cubic root of 195622144 is about 580.5050535410.

The spelling of 195622144 in words is "one hundred ninety-five million, six hundred twenty-two thousand, one hundred forty-four".