722283818 has 16 divisors (see below), whose sum is σ = 1119038976. Its totient is φ = 349284720.

The previous prime is 722283799. The next prime is 722283869. The reversal of 722283818 is 818382227.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177980 + ... + 181992.

It is an arithmetic number, because the mean of its divisors is an integer number (69939936).

Almost surely, 2^722283818 is an apocalyptic number.

722283818 is a deficient number, since it is larger than the sum of its proper divisors (396755158).

722283818 is a wasteful number, since it uses less digits than its factorization.

722283818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949.

The product of its digits is 86016, while the sum is 41.

The square root of 722283818 is about 26875.3384722872. The cubic root of 722283818 is about 897.2276076870.

The spelling of 722283818 in words is "seven hundred twenty-two million, two hundred eighty-three thousand, eight hundred eighteen".