852223019 has 2 divisors, whose sum is σ = 852223020. Its totient is φ = 852223018.

The previous prime is 852223013. The next prime is 852223033. The reversal of 852223019 is 910322258.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 852223019 - 2²⁴ = 835445803 is a prime.

It is a super-2 number, since 2×852223019² = 1452568148226948722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (852223013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426111509 + 426111510.

It is an arithmetic number, because the mean of its divisors is an integer number (426111510).

Almost surely, 2^852223019 is an apocalyptic number.

852223019 is a deficient number, since it is larger than the sum of its proper divisors (1).

852223019 is an equidigital number, since it uses as much as digits as its factorization.

852223019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 852223019 is about 29192.8590412107. The cubic root of 852223019 is about 948.0933203931.

The spelling of 852223019 in words is "eight hundred fifty-two million, two hundred twenty-three thousand, nineteen".