2131222441 has 8 divisors (see below), whose sum is σ = 2275833600. Its totient is φ = 1991352720.

The previous prime is 2131222439. The next prime is 2131222447. The reversal of 2131222441 is 1442221312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131222441 - 2¹ = 2131222439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131222447) 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, 1184431 + ... + 1186228.

It is an arithmetic number, because the mean of its divisors is an integer number (284479200).

Almost surely, 2^2131222441 is an apocalyptic number.

It is an amenable number.

2131222441 is a deficient number, since it is larger than the sum of its proper divisors (144611159).

2131222441 is a wasteful number, since it uses less digits than its factorization.

2131222441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370719.

The product of its digits is 768, while the sum is 22.

The square root of 2131222441 is about 46165.1647998791. The cubic root of 2131222441 is about 1286.8944468259.

Adding to 2131222441 its reverse (1442221312), we get a palindrome (3573443753).

The spelling of 2131222441 in words is "two billion, one hundred thirty-one million, two hundred twenty-two thousand, four hundred forty-one".