2221143141 has 16 divisors (see below), whose sum is σ = 3386119808. Its totient is φ = 1268654400.

The previous prime is 2221143139. The next prime is 2221143161. The reversal of 2221143141 is 1413411222.

It is not a de Polignac number, because 2221143141 - 2¹ = 2221143139 is a prime.

It is a super-2 number, since 2×2221143141² = 9866953705622691762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221143101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26571 + ... + 71751.

It is an arithmetic number, because the mean of its divisors is an integer number (211632488).

Almost surely, 2^2221143141 is an apocalyptic number.

2221143141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2221143141 is a deficient number, since it is larger than the sum of its proper divisors (1164976667).

2221143141 is a wasteful number, since it uses less digits than its factorization.

2221143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47532.

The product of its digits is 384, while the sum is 21.

The square root of 2221143141 is about 47129.0053045892. The cubic root of 2221143141 is about 1304.7446231834.

Adding to 2221143141 its reverse (1413411222), we get a palindrome (3634554363).

The spelling of 2221143141 in words is "two billion, two hundred twenty-one million, one hundred forty-three thousand, one hundred forty-one".