722242255 has 8 divisors (see below), whose sum is σ = 990503712. Its totient is φ = 495251808.

The previous prime is 722242249. The next prime is 722242259. The reversal of 722242255 is 552242227.

722242255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722242255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722242259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10317712 + ... + 10317781.

It is an arithmetic number, because the mean of its divisors is an integer number (123812964).

Almost surely, 2^722242255 is an apocalyptic number.

722242255 is a deficient number, since it is larger than the sum of its proper divisors (268261457).

722242255 is a wasteful number, since it uses less digits than its factorization.

722242255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635505.

The product of its digits is 22400, while the sum is 31.

The square root of 722242255 is about 26874.5652057852. The cubic root of 722242255 is about 897.2103973765.

The spelling of 722242255 in words is "seven hundred twenty-two million, two hundred forty-two thousand, two hundred fifty-five".