709040222 has 16 divisors (see below), whose sum is σ = 1176591744. Its totient is φ = 317751000.

The previous prime is 709040219. The next prime is 709040231. The reversal of 709040222 is 222040907.

It is a junction number, because it is equal to n+sod(n) for n = 709040191 and 709040200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225404 + ... + 228527.

It is an arithmetic number, because the mean of its divisors is an integer number (73536984).

Almost surely, 2^709040222 is an apocalyptic number.

709040222 is a deficient number, since it is larger than the sum of its proper divisors (467551522).

709040222 is a wasteful number, since it uses less digits than its factorization.

709040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454015.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 709040222 is about 26627.8091851358. The cubic root of 709040222 is about 891.7099734442.

The spelling of 709040222 in words is "seven hundred nine million, forty thousand, two hundred twenty-two".