722216302 has 8 divisors (see below), whose sum is σ = 1098164736. Its totient is φ = 356161392.

The previous prime is 722216281. The next prime is 722216309. The reversal of 722216302 is 203612227.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722216309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2473198 + ... + 2473489.

It is an arithmetic number, because the mean of its divisors is an integer number (137270592).

Almost surely, 2^722216302 is an apocalyptic number.

722216302 is a deficient number, since it is larger than the sum of its proper divisors (375948434).

722216302 is a wasteful number, since it uses less digits than its factorization.

722216302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946762.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 722216302 is about 26874.0823471240. The cubic root of 722216302 is about 897.1996504836.

Adding to 722216302 its reverse (203612227), we get a palindrome (925828529).

The spelling of 722216302 in words is "seven hundred twenty-two million, two hundred sixteen thousand, three hundred two".