82228301 has 2 divisors, whose sum is σ = 82228302. Its totient is φ = 82228300.

The previous prime is 82228291. The next prime is 82228313. The reversal of 82228301 is 10382228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 19802500 = 7901^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 82228301 - 2²² = 78033997 is a prime.

It is a super-2 number, since 2×82228301² = 13522986970693202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82228361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41114150 + 41114151.

It is an arithmetic number, because the mean of its divisors is an integer number (41114151).

Almost surely, 2^82228301 is an apocalyptic number.

It is an amenable number.

82228301 is a deficient number, since it is larger than the sum of its proper divisors (1).

82228301 is an equidigital number, since it uses as much as digits as its factorization.

82228301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 82228301 is about 9067.9821901016. The cubic root of 82228301 is about 434.8509658127.

The spelling of 82228301 in words is "eighty-two million, two hundred twenty-eight thousand, three hundred one".