82622249 has 2 divisors, whose sum is σ = 82622250. Its totient is φ = 82622248.

The previous prime is 82622201. The next prime is 82622251. The reversal of 82622249 is 94222628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81775849 + 846400 = 9043^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 82622249 - 2¹⁶ = 82556713 is a prime.

Together with 82622251, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4813478 and since 82622249 and 4813478 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82622299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41311124 + 41311125.

It is an arithmetic number, because the mean of its divisors is an integer number (41311125).

Almost surely, 2^82622249 is an apocalyptic number.

It is an amenable number.

82622249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82622249 is an equidigital number, since it uses as much as digits as its factorization.

82622249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 82622249 is about 9089.6781571187. The cubic root of 82622249 is about 435.5443030113.

The spelling of 82622249 in words is "eighty-two million, six hundred twenty-two thousand, two hundred forty-nine".