102822361 has 2 divisors, whose sum is σ = 102822362. Its totient is φ = 102822360.

The previous prime is 102822353. The next prime is 102822389. The reversal of 102822361 is 163228201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101707225 + 1115136 = 10085^2 + 1056^2 .

It is a cyclic number.

It is not a de Polignac number, because 102822361 - 2³ = 102822353 is a prime.

It is a super-2 number, since 2×102822361² = 21144875843228642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102822961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51411180 + 51411181.

It is an arithmetic number, because the mean of its divisors is an integer number (51411181).

Almost surely, 2^102822361 is an apocalyptic number.

It is an amenable number.

102822361 is a deficient number, since it is larger than the sum of its proper divisors (1).

102822361 is an equidigital number, since it uses as much as digits as its factorization.

102822361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 102822361 is about 10140.1361430703. The cubic root of 102822361 is about 468.4851802912.

The spelling of 102822361 in words is "one hundred two million, eight hundred twenty-two thousand, three hundred sixty-one".