822728937 has 16 divisors (see below), whose sum is σ = 1179279360. Its totient is φ = 508560912.

The previous prime is 822728897. The next prime is 822728939. The reversal of 822728937 is 739827228.

It is not a de Polignac number, because 822728937 - 2⁶ = 822728873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822728939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150873 + ... + 156230.

It is an arithmetic number, because the mean of its divisors is an integer number (73704960).

Almost surely, 2^822728937 is an apocalyptic number.

It is an amenable number.

822728937 is a deficient number, since it is larger than the sum of its proper divisors (356550423).

822728937 is a wasteful number, since it uses less digits than its factorization.

822728937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307172.

The product of its digits is 677376, while the sum is 48.

The square root of 822728937 is about 28683.2518553946. The cubic root of 822728937 is about 937.0273289454.

The spelling of 822728937 in words is "eight hundred twenty-two million, seven hundred twenty-eight thousand, nine hundred thirty-seven".