196219801 has 4 divisors (see below), whose sum is σ = 202549504. Its totient is φ = 189890100.

The previous prime is 196219799. The next prime is 196219817. The reversal of 196219801 is 108912691.

196219801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108912691 = 109 ⋅999199.

It is a cyclic number.

It is not a de Polignac number, because 196219801 - 2¹ = 196219799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196219861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164805 + ... + 3164866.

It is an arithmetic number, because the mean of its divisors is an integer number (50637376).

Almost surely, 2^196219801 is an apocalyptic number.

196219801 is the 6265-th centered decagonal number.

It is an amenable number.

196219801 is a deficient number, since it is larger than the sum of its proper divisors (6329703).

196219801 is an equidigital number, since it uses as much as digits as its factorization.

196219801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329702.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 196219801 is about 14007.8478361239. The cubic root of 196219801 is about 581.0956311687.

The spelling of 196219801 in words is "one hundred ninety-six million, two hundred nineteen thousand, eight hundred one".