196223915 has 4 divisors (see below), whose sum is σ = 235468704. Its totient is φ = 156979128.

The previous prime is 196223903. The next prime is 196223941. The reversal of 196223915 is 519322691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196223915 - 2⁴ = 196223899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19622387 + ... + 19622396.

It is an arithmetic number, because the mean of its divisors is an integer number (58867176).

Almost surely, 2^196223915 is an apocalyptic number.

196223915 is a deficient number, since it is larger than the sum of its proper divisors (39244789).

196223915 is an equidigital number, since it uses as much as digits as its factorization.

196223915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39244788.

The product of its digits is 29160, while the sum is 38.

The square root of 196223915 is about 14007.9946816095. The cubic root of 196223915 is about 581.0996922789.

The spelling of 196223915 in words is "one hundred ninety-six million, two hundred twenty-three thousand, nine hundred fifteen".