722787227 has 8 divisors (see below), whose sum is σ = 785372160. Its totient is φ = 662656680.

The previous prime is 722787199. The next prime is 722787239.

722787227 is nontrivially palindromic in base 10.

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 722787227 - 2¹⁰ = 722786203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722787277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612983 + ... + 614160.

It is an arithmetic number, because the mean of its divisors is an integer number (98171520).

Almost surely, 2^722787227 is an apocalyptic number.

722787227 is a deficient number, since it is larger than the sum of its proper divisors (62584933).

722787227 is a wasteful number, since it uses less digits than its factorization.

722787227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227193.

The product of its digits is 307328, while the sum is 44.

The square root of 722787227 is about 26884.7024718519. The cubic root of 722787227 is about 897.4360057102.

The spelling of 722787227 in words is "seven hundred twenty-two million, seven hundred eighty-seven thousand, two hundred twenty-seven".