825402222 has 24 divisors (see below), whose sum is σ = 1789215480. Its totient is φ = 275004240.

The previous prime is 825402209. The next prime is 825402229. The reversal of 825402222 is 222204528.

825402222 is a `hidden beast` number, since 82 + 540 + 22 + 22 = 666.

825402222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825402229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33229 + ... + 52487.

It is an arithmetic number, because the mean of its divisors is an integer number (74550645).

Almost surely, 2^825402222 is an apocalyptic number.

825402222 is an abundant number, since it is smaller than the sum of its proper divisors (963813258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825402222 is a wasteful number, since it uses less digits than its factorization.

825402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21648 (or 21645 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 825402222 is about 28729.8141657756. The cubic root of 825402222 is about 938.0411229116.

The spelling of 825402222 in words is "eight hundred twenty-five million, four hundred two thousand, two hundred twenty-two".