825222912 has 36 divisors (see below), whose sum is σ = 2196298440. Its totient is φ = 275074048.

The previous prime is 825222901. The next prime is 825222943. The reversal of 825222912 is 219222528.

It is a super-4 number, since 4×825222912⁴ (a number of 37 digits) contains 4444 as substring.

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, 536487 + ... + 538022.

It is an arithmetic number, because the mean of its divisors is an integer number (61008290).

Almost surely, 2^825222912 is an apocalyptic number.

It is an amenable number.

825222912 is an abundant number, since it is smaller than the sum of its proper divisors (1371075528).

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

825222912 is a wasteful number, since it uses less digits than its factorization.

825222912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074528 (or 1074514 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 825222912 is about 28726.6933704525. The cubic root of 825222912 is about 937.9731914512.

The spelling of 825222912 in words is "eight hundred twenty-five million, two hundred twenty-two thousand, nine hundred twelve".