852223469 has 2 divisors, whose sum is σ = 852223470. Its totient is φ = 852223468.

The previous prime is 852223453. The next prime is 852223523. The reversal of 852223469 is 964322258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582015625 + 270207844 = 24125^2 + 16438^2 .

It is a cyclic number.

It is not a de Polignac number, because 852223469 - 2⁴ = 852223453 is a prime.

It is a super-2 number, since 2×852223469² = 1452569682228787922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852223369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426111734 + 426111735.

It is an arithmetic number, because the mean of its divisors is an integer number (426111735).

Almost surely, 2^852223469 is an apocalyptic number.

It is an amenable number.

852223469 is a deficient number, since it is larger than the sum of its proper divisors (1).

852223469 is an equidigital number, since it uses as much as digits as its factorization.

852223469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 852223469 is about 29192.8667485740. The cubic root of 852223469 is about 948.0934872672.

The spelling of 852223469 in words is "eight hundred fifty-two million, two hundred twenty-three thousand, four hundred sixty-nine".