195223536 has 90 divisors (see below), whose sum is σ = 557526320. Its totient is φ = 63760320.

The previous prime is 195223531. The next prime is 195223541. The reversal of 195223536 is 635322591.

It is an interprime number because it is at equal distance from previous prime (195223531) and next prime (195223541).

It is a super-2 number, since 2×195223536² = 76224458016686592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 195223536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195223531) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1490191 + ... + 1490321.

Almost surely, 2^195223536 is an apocalyptic number.

195223536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195223536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278763160).

195223536 is an abundant number, since it is smaller than the sum of its proper divisors (362302784).

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

195223536 is a wasteful number, since it uses less digits than its factorization.

195223536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 215 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 195223536 is about 13972.2416240201. The cubic root of 195223536 is about 580.1104981704.

The spelling of 195223536 in words is "one hundred ninety-five million, two hundred twenty-three thousand, five hundred thirty-six".