82202197 has 48 divisors (see below), whose sum is σ = 110298496. Its totient is φ = 59875200.

The previous prime is 82202179. The next prime is 82202203. The reversal of 82202197 is 79120228.

It is not a de Polignac number, because 82202197 - 2¹¹ = 82200149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82202117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1347547 + ... + 1347607.

Almost surely, 2^82202197 is an apocalyptic number.

It is an amenable number.

82202197 is a deficient number, since it is larger than the sum of its proper divisors (28096299).

82202197 is a wasteful number, since it uses less digits than its factorization.

82202197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 82202197 is about 9066.5427258686. The cubic root of 82202197 is about 434.8049453596.

The spelling of 82202197 in words is "eighty-two million, two hundred two thousand, one hundred ninety-seven".