722065814 has 4 divisors (see below), whose sum is σ = 1083098724. Its totient is φ = 361032906.

The previous prime is 722065807. The next prime is 722065823. The reversal of 722065814 is 418560227.

722065814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180516452 + ... + 180516455.

It is an arithmetic number, because the mean of its divisors is an integer number (270774681).

Almost surely, 2^722065814 is an apocalyptic number.

722065814 is a deficient number, since it is larger than the sum of its proper divisors (361032910).

722065814 is a wasteful number, since it uses less digits than its factorization.

722065814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361032909.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 722065814 is about 26871.2823289102. The cubic root of 722065814 is about 897.1373297451.

The spelling of 722065814 in words is "seven hundred twenty-two million, sixty-five thousand, eight hundred fourteen".