82206473 has 2 divisors, whose sum is σ = 82206474. Its totient is φ = 82206472.

The previous prime is 82206469. The next prime is 82206479. The reversal of 82206473 is 37460228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63170704 + 19035769 = 7948^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 82206473 - 2² = 82206469 is a prime.

It is not a weakly prime, because it can be changed into another prime (82206479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41103236 + 41103237.

It is an arithmetic number, because the mean of its divisors is an integer number (41103237).

Almost surely, 2^82206473 is an apocalyptic number.

It is an amenable number.

82206473 is a deficient number, since it is larger than the sum of its proper divisors (1).

82206473 is an equidigital number, since it uses as much as digits as its factorization.

82206473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 82206473 is about 9066.7785348491. The cubic root of 82206473 is about 434.8124844675.

The spelling of 82206473 in words is "eighty-two million, two hundred six thousand, four hundred seventy-three".