822998233 has 2 divisors, whose sum is σ = 822998234. Its totient is φ = 822998232.

The previous prime is 822998191. The next prime is 822998251. The reversal of 822998233 is 332899228.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 741854169 + 81144064 = 27237^2 + 9008^2 .

It is a cyclic number.

It is not a de Polignac number, because 822998233 - 2¹³ = 822990041 is a prime.

It is a super-2 number, since 2×822998233² = 1354652183042244578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (822998263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411499116 + 411499117.

It is an arithmetic number, because the mean of its divisors is an integer number (411499117).

Almost surely, 2^822998233 is an apocalyptic number.

It is an amenable number.

822998233 is a deficient number, since it is larger than the sum of its proper divisors (1).

822998233 is an equidigital number, since it uses as much as digits as its factorization.

822998233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 822998233 is about 28687.9457786716. The cubic root of 822998233 is about 937.1295538595.

The spelling of 822998233 in words is "eight hundred twenty-two million, nine hundred ninety-eight thousand, two hundred thirty-three".