195223446 has 80 divisors (see below), whose sum is σ = 484247808. Its totient is φ = 58287600.

The previous prime is 195223439. The next prime is 195223453. The reversal of 195223446 is 644322591.

It is a happy number.

195223446 is a `hidden beast` number, since 195 + 2 + 23 + 446 = 666.

It is an interprime number because it is at equal distance from previous prime (195223439) and next prime (195223453).

It is a super-2 number, since 2×195223446² = 76224387736229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195223446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 125751 + ... + 127293.

Almost surely, 2^195223446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195223446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242123904).

195223446 is an abundant number, since it is smaller than the sum of its proper divisors (289024362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195223446 is a wasteful number, since it uses less digits than its factorization.

195223446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1630 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 195223446 is about 13972.2384033483. The cubic root of 195223446 is about 580.1104090248.

The spelling of 195223446 in words is "one hundred ninety-five million, two hundred twenty-three thousand, four hundred forty-six".