822620833 has 2 divisors, whose sum is σ = 822620834. Its totient is φ = 822620832.

The previous prime is 822620809. The next prime is 822620879. The reversal of 822620833 is 338026228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772395264 + 50225569 = 27792^2 + 7087^2 .

It is a cyclic number.

It is not a de Polignac number, because 822620833 - 2⁵ = 822620801 is a prime.

It is a super-2 number, since 2×822620833² = 1353410069771227778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (822650833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411310416 + 411310417.

It is an arithmetic number, because the mean of its divisors is an integer number (411310417).

Almost surely, 2^822620833 is an apocalyptic number.

It is an amenable number.

822620833 is a deficient number, since it is larger than the sum of its proper divisors (1).

822620833 is an equidigital number, since it uses as much as digits as its factorization.

822620833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 822620833 is about 28681.3673488556. The cubic root of 822620833 is about 936.9862863310.

The spelling of 822620833 in words is "eight hundred twenty-two million, six hundred twenty thousand, eight hundred thirty-three".