2211223141 has 4 divisors (see below), whose sum is σ = 2217784972. Its totient is φ = 2204661312.

The previous prime is 2211223127. The next prime is 2211223163. The reversal of 2211223141 is 1413221122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1413221122 = 2 ⋅706610561.

It can be written as a sum of positive squares in 2 ways, for example, as 1215568225 + 995654916 = 34865^2 + 31554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211223141 - 2¹³ = 2211214949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211223121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280410 + ... + 3281083.

It is an arithmetic number, because the mean of its divisors is an integer number (554446243).

Almost surely, 2^2211223141 is an apocalyptic number.

It is an amenable number.

2211223141 is a deficient number, since it is larger than the sum of its proper divisors (6561831).

2211223141 is an equidigital number, since it uses as much as digits as its factorization.

2211223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561830.

The product of its digits is 192, while the sum is 19.

The square root of 2211223141 is about 47023.6444887038. The cubic root of 2211223141 is about 1302.7993210828.

Adding to 2211223141 its reverse (1413221122), we get a palindrome (3624444263).

The spelling of 2211223141 in words is "two billion, two hundred eleven million, two hundred twenty-three thousand, one hundred forty-one".