722300228 has 24 divisors (see below), whose sum is σ = 1362419520. Its totient is φ = 333084960.

The previous prime is 722300221. The next prime is 722300251. The reversal of 722300228 is 822003227.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 722300197 and 722300206.

It is not an unprimeable number, because it can be changed into a prime (722300221) 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, 63323 + ... + 73853.

It is an arithmetic number, because the mean of its divisors is an integer number (56767480).

Almost surely, 2^722300228 is an apocalyptic number.

It is an amenable number.

722300228 is a deficient number, since it is larger than the sum of its proper divisors (640119292).

722300228 is a wasteful number, since it uses less digits than its factorization.

722300228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11867 (or 11865 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 722300228 is about 26875.6437690337. The cubic root of 722300228 is about 897.2344025199.

The spelling of 722300228 in words is "seven hundred twenty-two million, three hundred thousand, two hundred twenty-eight".