722536878222 has 24 divisors (see below), whose sum is σ = 1565543186064. Its totient is φ = 240838454304.

The previous prime is 722536878187. The next prime is 722536878227. The reversal of 722536878222 is 222878635227.

722536878222 is a `hidden beast` number, since 7 + 2 + 2 + 536 + 8 + 7 + 82 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722536878227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42138 + ... + 1202850.

It is an arithmetic number, because the mean of its divisors is an integer number (65230966086).

Almost surely, 2^722536878222 is an apocalyptic number.

722536878222 is an abundant number, since it is smaller than the sum of its proper divisors (843006307842).

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

722536878222 is a wasteful number, since it uses less digits than its factorization.

722536878222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195304 (or 1195301 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 722536878222 in words is "seven hundred twenty-two billion, five hundred thirty-six million, eight hundred seventy-eight thousand, two hundred twenty-two".