822288825 has 36 divisors (see below), whose sum is σ = 1508749788. Its totient is φ = 427852800.

The previous prime is 822288811. The next prime is 822288839. The reversal of 822288825 is 528882228.

It is an interprime number because it is at equal distance from previous prime (822288811) and next prime (822288839).

It can be written as a sum of positive squares in 6 ways, for example, as 21455424 + 800833401 = 4632^2 + 28299^2 .

It is not a de Polignac number, because 822288825 - 2⁴ = 822288809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35344 + ... + 53793.

Almost surely, 2^822288825 is an apocalyptic number.

It is an amenable number.

822288825 is a deficient number, since it is larger than the sum of its proper divisors (686460963).

822288825 is a wasteful number, since it uses less digits than its factorization.

822288825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89194 (or 89186 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 822288825 is about 28675.5788956387. The cubic root of 822288825 is about 936.8602141517.

The spelling of 822288825 in words is "eight hundred twenty-two million, two hundred eighty-eight thousand, eight hundred twenty-five".