814722648 has 16 divisors (see below), whose sum is σ = 2036806680. Its totient is φ = 271574208.

The previous prime is 814722619. The next prime is 814722659. The reversal of 814722648 is 846227418.

814722648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16973365 + ... + 16973412.

Almost surely, 2^814722648 is an apocalyptic number.

It is an amenable number.

814722648 is an abundant number, since it is smaller than the sum of its proper divisors (1222084032).

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

814722648 is a wasteful number, since it uses less digits than its factorization.

814722648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33946786 (or 33946782 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 814722648 is about 28543.3468254863. The cubic root of 814722648 is about 933.9778922942.

The spelling of 814722648 in words is "eight hundred fourteen million, seven hundred twenty-two thousand, six hundred forty-eight".