722806833 has 32 divisors (see below), whose sum is σ = 1172828160. Its totient is φ = 386530560.

The previous prime is 722806829. The next prime is 722806853. The reversal of 722806833 is 338608227.

It is a happy number.

It is not a de Polignac number, because 722806833 - 2² = 722806829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722806791 and 722806800.

It is not an unprimeable number, because it can be changed into a prime (722806813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58248 + ... + 69558.

It is an arithmetic number, because the mean of its divisors is an integer number (36650880).

Almost surely, 2^722806833 is an apocalyptic number.

It is an amenable number.

722806833 is a deficient number, since it is larger than the sum of its proper divisors (450021327).

722806833 is a wasteful number, since it uses less digits than its factorization.

722806833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 722806833 is about 26885.0671005300. The cubic root of 722806833 is about 897.4441201181. Note that the first 3 decimals are identical.

The spelling of 722806833 in words is "seven hundred twenty-two million, eight hundred six thousand, eight hundred thirty-three".