722263330 has 16 divisors (see below), whose sum is σ = 1324604664. Its totient is φ = 283454080.

The previous prime is 722263313. The next prime is 722263331. The reversal of 722263330 is 33362227.

It can be written as a sum of positive squares in 4 ways, for example, as 718829721 + 3433609 = 26811^2 + 1853^2 .

It is not an unprimeable number, because it can be changed into a prime (722263331) 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, 680851 + ... + 681910.

Almost surely, 2^722263330 is an apocalyptic number.

722263330 is a deficient number, since it is larger than the sum of its proper divisors (602341334).

722263330 is a wasteful number, since it uses less digits than its factorization.

722263330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362821.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 722263330 is about 26874.9573022917. The cubic root of 722263330 is about 897.2191241460.

The spelling of 722263330 in words is "seven hundred twenty-two million, two hundred sixty-three thousand, three hundred thirty".