33198197 has 2 divisors, whose sum is σ = 33198198. Its totient is φ = 33198196.

The previous prime is 33198167. The next prime is 33198199. The reversal of 33198197 is 79189133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19589476 + 13608721 = 4426^2 + 3689^2 .

It is a cyclic number.

It is not a de Polignac number, because 33198197 - 2⁶ = 33198133 is a prime.

It is a super-2 number, since 2×33198197² = 2204240568101618, which contains 22 as substring.

Together with 33198199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33198199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16599098 + 16599099.

It is an arithmetic number, because the mean of its divisors is an integer number (16599099).

Almost surely, 2^33198197 is an apocalyptic number.

It is an amenable number.

33198197 is a deficient number, since it is larger than the sum of its proper divisors (1).

33198197 is an equidigital number, since it uses as much as digits as its factorization.

33198197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 33198197 is about 5761.7876566219. The cubic root of 33198197 is about 321.3942968368.

The spelling of 33198197 in words is "thirty-three million, one hundred ninety-eight thousand, one hundred ninety-seven".