731222833 has 4 divisors (see below), whose sum is σ = 797697648. Its totient is φ = 664748020.

The previous prime is 731222803. The next prime is 731222837. The reversal of 731222833 is 338222137.

731222833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 731222833 - 2¹³ = 731214641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731222795 and 731222804.

It is not an unprimeable number, because it can be changed into a prime (731222837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33237391 + ... + 33237412.

It is an arithmetic number, because the mean of its divisors is an integer number (199424412).

Almost surely, 2^731222833 is an apocalyptic number.

It is an amenable number.

731222833 is a deficient number, since it is larger than the sum of its proper divisors (66474815).

731222833 is a wasteful number, since it uses less digits than its factorization.

731222833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66474814.

The product of its digits is 12096, while the sum is 31.

The square root of 731222833 is about 27041.1322433067. The cubic root of 731222833 is about 900.9138179285.

The spelling of 731222833 in words is "seven hundred thirty-one million, two hundred twenty-two thousand, eight hundred thirty-three".