822540906 has 56 divisors (see below), whose sum is σ = 2018080224. Its totient is φ = 249249960.

The previous prime is 822540883. The next prime is 822540997. The reversal of 822540906 is 609045228.

It is a happy number.

822540906 is a `hidden beast` number, since 8 + 22 + 540 + 90 + 6 = 666.

822540906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9606 + ... + 41681.

Almost surely, 2^822540906 is an apocalyptic number.

822540906 is an abundant number, since it is smaller than the sum of its proper divisors (1195539318).

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

822540906 is a wasteful number, since it uses less digits than its factorization.

822540906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51318 (or 51303 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 822540906 is about 28679.9739539631. The cubic root of 822540906 is about 936.9559390453.

The spelling of 822540906 in words is "eight hundred twenty-two million, five hundred forty thousand, nine hundred six".