722425834 has 8 divisors (see below), whose sum is σ = 1166995620. Its totient is φ = 333427296.

The previous prime is 722425819. The next prime is 722425859. The reversal of 722425834 is 438524227.

It can be written as a sum of positive squares in 2 ways, for example, as 711555625 + 10870209 = 26675^2 + 3297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 722425793 and 722425802.

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, 13892779 + ... + 13892830.

Almost surely, 2^722425834 is an apocalyptic number.

722425834 is a deficient number, since it is larger than the sum of its proper divisors (444569786).

722425834 is a wasteful number, since it uses less digits than its factorization.

722425834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27785624.

The product of its digits is 107520, while the sum is 37.

The square root of 722425834 is about 26877.9804672896. The cubic root of 722425834 is about 897.2864083609.

The spelling of 722425834 in words is "seven hundred twenty-two million, four hundred twenty-five thousand, eight hundred thirty-four".