822220485 has 16 divisors (see below), whose sum is σ = 1320308736. Its totient is φ = 436932288.

The previous prime is 822220457. The next prime is 822220513. The reversal of 822220485 is 584022228.

It is an interprime number because it is at equal distance from previous prime (822220457) and next prime (822220513).

It is a de Polignac number, because none of the positive numbers 2^k-822220485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94789 + ... + 103098.

It is an arithmetic number, because the mean of its divisors is an integer number (82519296).

Almost surely, 2^822220485 is an apocalyptic number.

It is an amenable number.

822220485 is a deficient number, since it is larger than the sum of its proper divisors (498088251).

822220485 is a wasteful number, since it uses less digits than its factorization.

822220485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198172.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 822220485 is about 28674.3872645956. The cubic root of 822220485 is about 936.8342594429.

The spelling of 822220485 in words is "eight hundred twenty-two million, two hundred twenty thousand, four hundred eighty-five".