722668468 has 12 divisors (see below), whose sum is σ = 1265803840. Its totient is φ = 361010232.

The previous prime is 722668451. The next prime is 722668469. The reversal of 722668468 is 864866227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722668469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75948 + ... + 84931.

Almost surely, 2^722668468 is an apocalyptic number.

It is an amenable number.

722668468 is a deficient number, since it is larger than the sum of its proper divisors (543135372).

722668468 is a wasteful number, since it uses less digits than its factorization.

722668468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162006 (or 162004 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 722668468 is about 26882.4937087317. The cubic root of 722668468 is about 897.3868513457.

The spelling of 722668468 in words is "seven hundred twenty-two million, six hundred sixty-eight thousand, four hundred sixty-eight".