722338239 has 32 divisors (see below), whose sum is σ = 1125895680. Its totient is φ = 403401600.

The previous prime is 722338237. The next prime is 722338259. The reversal of 722338239 is 932833227.

722338239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722338239 - 2¹ = 722338237 is a prime.

It is a super-2 number, since 2×722338239² = 1043545063043242242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 722338197 and 722338206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722338231) 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, 222649 + ... + 225869.

It is an arithmetic number, because the mean of its divisors is an integer number (35184240).

Almost surely, 2^722338239 is an apocalyptic number.

722338239 is a deficient number, since it is larger than the sum of its proper divisors (403557441).

722338239 is a wasteful number, since it uses less digits than its factorization.

722338239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its digits is 108864, while the sum is 39.

The square root of 722338239 is about 26876.3509241861. The cubic root of 722338239 is about 897.2501412101.

The spelling of 722338239 in words is "seven hundred twenty-two million, three hundred thirty-eight thousand, two hundred thirty-nine".