3491222865 has 16 divisors (see below), whose sum is σ = 6015645888. Its totient is φ = 1718755776.

The previous prime is 3491222843. The next prime is 3491222873. The reversal of 3491222865 is 5682221943.

It is not a de Polignac number, because 3491222865 - 2¹⁰ = 3491221841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8951659 + ... + 8952048.

It is an arithmetic number, because the mean of its divisors is an integer number (375977868).

Almost surely, 2^3491222865 is an apocalyptic number.

It is an amenable number.

3491222865 is a deficient number, since it is larger than the sum of its proper divisors (2524423023).

3491222865 is a wasteful number, since it uses less digits than its factorization.

3491222865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903728.

The product of its digits is 207360, while the sum is 42.

The square root of 3491222865 is about 59086.5709362119. The cubic root of 3491222865 is about 1517.0242544248.

The spelling of 3491222865 in words is "three billion, four hundred ninety-one million, two hundred twenty-two thousand, eight hundred sixty-five".