82229057 has 2 divisors, whose sum is σ = 82229058. Its totient is φ = 82229056.

The previous prime is 82229047. The next prime is 82229087. The reversal of 82229057 is 75092228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62789776 + 19439281 = 7924^2 + 4409^2 .

It is a cyclic number.

It is not a de Polignac number, because 82229057 - 2¹⁰ = 82228033 is a prime.

It is not a weakly prime, because it can be changed into another prime (82229027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41114528 + 41114529.

It is an arithmetic number, because the mean of its divisors is an integer number (41114529).

Almost surely, 2^82229057 is an apocalyptic number.

It is an amenable number.

82229057 is a deficient number, since it is larger than the sum of its proper divisors (1).

82229057 is an equidigital number, since it uses as much as digits as its factorization.

82229057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 82229057 is about 9068.0238751340. The cubic root of 82229057 is about 434.8522984695.

The spelling of 82229057 in words is "eighty-two million, two hundred twenty-nine thousand, fifty-seven".