722999230 has 32 divisors (see below), whose sum is σ = 1321205184. Its totient is φ = 284829696.

The previous prime is 722999161. The next prime is 722999257. The reversal of 722999230 is 32999227.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196972 + ... + 200608.

It is an arithmetic number, because the mean of its divisors is an integer number (41287662).

Almost surely, 2^722999230 is an apocalyptic number.

722999230 is a deficient number, since it is larger than the sum of its proper divisors (598205954).

722999230 is a wasteful number, since it uses less digits than its factorization.

722999230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 722999230 is about 26888.6450011896. The cubic root of 722999230 is about 897.5237403941.

The spelling of 722999230 in words is "seven hundred twenty-two million, nine hundred ninety-nine thousand, two hundred thirty".