822399485 has 4 divisors (see below), whose sum is σ = 986879388. Its totient is φ = 657919584.

The previous prime is 822399449. The next prime is 822399509. The reversal of 822399485 is 584993228.

822399485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84842521 + 737556964 = 9211^2 + 27158^2 .

It is a cyclic number.

It is not a de Polignac number, because 822399485 - 2²² = 818205181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82239944 + ... + 82239953.

It is an arithmetic number, because the mean of its divisors is an integer number (246719847).

Almost surely, 2^822399485 is an apocalyptic number.

It is an amenable number.

822399485 is a deficient number, since it is larger than the sum of its proper divisors (164479903).

822399485 is a wasteful number, since it uses less digits than its factorization.

822399485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164479902.

The product of its digits is 1244160, while the sum is 50.

The square root of 822399485 is about 28677.5083471350. The cubic root of 822399485 is about 936.9022384372.

The spelling of 822399485 in words is "eight hundred twenty-two million, three hundred ninety-nine thousand, four hundred eighty-five".