195220573 has 12 divisors (see below), whose sum is σ = 214829440. Its totient is φ = 176895576.

The previous prime is 195220567. The next prime is 195220589. The reversal of 195220573 is 375022591.

It is a de Polignac number, because none of the positive numbers 2^k-195220573 is a prime.

It is a super-2 number, since 2×195220573² = 76222144244896658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195220273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340 + ... + 19762.

Almost surely, 2^195220573 is an apocalyptic number.

It is an amenable number.

195220573 is a deficient number, since it is larger than the sum of its proper divisors (19608867).

195220573 is a wasteful number, since it uses less digits than its factorization.

195220573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488 (or 19465 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 195220573 is about 13972.1355919559. The cubic root of 195220573 is about 580.1075632850.

The spelling of 195220573 in words is "one hundred ninety-five million, two hundred twenty thousand, five hundred seventy-three".