3821222311331 has 4 divisors (see below), whose sum is σ = 3823636224672. Its totient is φ = 3818808397992.

The previous prime is 3821222311303. The next prime is 3821222311373. The reversal of 3821222311331 is 1331132221283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3821222311331 - 2¹⁴ = 3821222294947 is a prime.

It is a super-2 number, since 2×3821222311331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821222311301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206954296 + ... + 1206957461.

It is an arithmetic number, because the mean of its divisors is an integer number (955909056168).

Almost surely, 2^{3821222311331} is an apocalyptic number.

3821222311331 is a deficient number, since it is larger than the sum of its proper divisors (2413913341).

3821222311331 is a wasteful number, since it uses less digits than its factorization.

3821222311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413913340.

The product of its digits is 10368, while the sum is 32.

The spelling of 3821222311331 in words is "three trillion, eight hundred twenty-one billion, two hundred twenty-two million, three hundred eleven thousand, three hundred thirty-one".