722263630 has 16 divisors (see below), whose sum is σ = 1418263344. Its totient is φ = 262641280.

The previous prime is 722263627. The next prime is 722263639. The reversal of 722263630 is 36362227.

It is a junction number, because it is equal to n+sod(n) for n = 722263592 and 722263601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722263639) 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, 3282907 + ... + 3283126.

It is an arithmetic number, because the mean of its divisors is an integer number (88641459).

Almost surely, 2^722263630 is an apocalyptic number.

722263630 is a deficient number, since it is larger than the sum of its proper divisors (695999714).

722263630 is a wasteful number, since it uses less digits than its factorization.

722263630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566051.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 722263630 is about 26874.9628836953. The cubic root of 722263630 is about 897.2192483693.

The spelling of 722263630 in words is "seven hundred twenty-two million, two hundred sixty-three thousand, six hundred thirty".