722267706 has 16 divisors (see below), whose sum is σ = 1475270784. Its totient is φ = 235633344.

The previous prime is 722267671. The next prime is 722267717. The reversal of 722267706 is 607762227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280335 + ... + 1280898.

It is an arithmetic number, because the mean of its divisors is an integer number (92204424).

Almost surely, 2^722267706 is an apocalyptic number.

722267706 is an abundant number, since it is smaller than the sum of its proper divisors (753003078).

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

722267706 is a wasteful number, since it uses less digits than its factorization.

722267706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561285.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 722267706 is about 26875.0387162512. The cubic root of 722267706 is about 897.2209361458.

The spelling of 722267706 in words is "seven hundred twenty-two million, two hundred sixty-seven thousand, seven hundred six".