3891222311 has 8 divisors (see below), whose sum is σ = 3936657600. Its totient is φ = 3845825280.

The previous prime is 3891222289. The next prime is 3891222329. The reversal of 3891222311 is 1132221983.

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

It is not a de Polignac number, because 3891222311 - 2¹⁰ = 3891221287 is a prime.

It is a super-2 number, since 2×3891222311² = 30283222147248361442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891222911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229535 + ... + 245903.

It is an arithmetic number, because the mean of its divisors is an integer number (492082200).

Almost surely, 2^3891222311 is an apocalyptic number.

3891222311 is a deficient number, since it is larger than the sum of its proper divisors (45435289).

3891222311 is a wasteful number, since it uses less digits than its factorization.

3891222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129.

The product of its digits is 5184, while the sum is 32.

The square root of 3891222311 is about 62379.6626393571. The cubic root of 3891222311 is about 1572.8791221176.

The spelling of 3891222311 in words is "three billion, eight hundred ninety-one million, two hundred twenty-two thousand, three hundred eleven".