722648196 has 48 divisors (see below), whose sum is σ = 1917115200. Its totient is φ = 235279296.

The previous prime is 722648177. The next prime is 722648209. The reversal of 722648196 is 691846227.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73161 + ... + 82448.

It is an arithmetic number, because the mean of its divisors is an integer number (39939900).

Almost surely, 2^722648196 is an apocalyptic number.

It is an amenable number.

722648196 is an abundant number, since it is smaller than the sum of its proper divisors (1194467004).

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

722648196 is a wasteful number, since it uses less digits than its factorization.

722648196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155665 (or 155657 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 722648196 is about 26882.1166577336. The cubic root of 722648196 is about 897.3784602244.

The spelling of 722648196 in words is "seven hundred twenty-two million, six hundred forty-eight thousand, one hundred ninety-six".