822267225 has 36 divisors (see below), whose sum is σ = 1586067756. Its totient is φ = 404807040.

The previous prime is 822267217. The next prime is 822267233. The reversal of 822267225 is 522762228.

It is an interprime number because it is at equal distance from previous prime (822267217) and next prime (822267233).

It can be written as a sum of positive squares in 6 ways, for example, as 295702416 + 526564809 = 17196^2 + 22947^2 .

It is not a de Polignac number, because 822267225 - 2³ = 822267217 is a prime.

It is a super-2 number, since 2×822267225² = 1352246778618401250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 822267225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137634 + ... + 143483.

Almost surely, 2^822267225 is an apocalyptic number.

It is an amenable number.

822267225 is a deficient number, since it is larger than the sum of its proper divisors (763800531).

822267225 is a wasteful number, since it uses less digits than its factorization.

822267225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281146 (or 281138 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 822267225 is about 28675.2022660695. The cubic root of 822267225 is about 936.8520108873.

The spelling of 822267225 in words is "eight hundred twenty-two million, two hundred sixty-seven thousand, two hundred twenty-five".