722338241 has 4 divisors (see below), whose sum is σ = 724661184. Its totient is φ = 720015300.

The previous prime is 722338237. The next prime is 722338259. The reversal of 722338241 is 142833227.

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 722338241 - 2² = 722338237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722338198 and 722338207.

It is not an unprimeable number, because it can be changed into a prime (722338231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161005 + ... + 1161626.

It is an arithmetic number, because the mean of its divisors is an integer number (181165296).

Almost surely, 2^722338241 is an apocalyptic number.

It is an amenable number.

722338241 is a deficient number, since it is larger than the sum of its proper divisors (2322943).

722338241 is a wasteful number, since it uses less digits than its factorization.

722338241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322942.

The product of its digits is 16128, while the sum is 32.

The square root of 722338241 is about 26876.3509613936. The cubic root of 722338241 is about 897.2501420382.

The spelling of 722338241 in words is "seven hundred twenty-two million, three hundred thirty-eight thousand, two hundred forty-one".