722255855 has 8 divisors (see below), whose sum is σ = 866853600. Its totient is φ = 577706976.

The previous prime is 722255837. The next prime is 722255861. The reversal of 722255855 is 558552227.

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

It is a cyclic number.

It is not a de Polignac number, because 722255855 - 2²⁶ = 655146991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43001 + ... + 57389.

It is an arithmetic number, because the mean of its divisors is an integer number (108356700).

Almost surely, 2^722255855 is an apocalyptic number.

722255855 is a deficient number, since it is larger than the sum of its proper divisors (144597745).

722255855 is a wasteful number, since it uses less digits than its factorization.

722255855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24433.

The product of its digits is 280000, while the sum is 41.

The square root of 722255855 is about 26874.8182319434. The cubic root of 722255855 is about 897.2160289056.

The spelling of 722255855 in words is "seven hundred twenty-two million, two hundred fifty-five thousand, eight hundred fifty-five".