722216946 has 32 divisors (see below), whose sum is σ = 1609279488. Its totient is φ = 214196240.

The previous prime is 722216941. The next prime is 722216953. The reversal of 722216946 is 649612227.

722216946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (722216941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113310 + ... + 119513.

It is an arithmetic number, because the mean of its divisors is an integer number (50289984).

Almost surely, 2^722216946 is an apocalyptic number.

722216946 is an abundant number, since it is smaller than the sum of its proper divisors (887062542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722216946 is a wasteful number, since it uses less digits than its factorization.

722216946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232886.

The product of its digits is 72576, while the sum is 39.

The square root of 722216946 is about 26874.0943289258. The cubic root of 722216946 is about 897.1999171611.

The spelling of 722216946 in words is "seven hundred twenty-two million, two hundred sixteen thousand, nine hundred forty-six".