985222663 has 2 divisors, whose sum is σ = 985222664. Its totient is φ = 985222662.

The previous prime is 985222547. The next prime is 985222669. The reversal of 985222663 is 366222589.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985222663 - 2¹³ = 985214471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985222669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492611331 + 492611332.

It is an arithmetic number, because the mean of its divisors is an integer number (492611332).

Almost surely, 2^985222663 is an apocalyptic number.

985222663 is a deficient number, since it is larger than the sum of its proper divisors (1).

985222663 is an equidigital number, since it uses as much as digits as its factorization.

985222663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 985222663 is about 31388.2567690530. The cubic root of 985222663 is about 995.0497565246.

The spelling of 985222663 in words is "nine hundred eighty-five million, two hundred twenty-two thousand, six hundred sixty-three".