2212222141 has 4 divisors (see below), whose sum is σ = 2214389884. Its totient is φ = 2210054400.

The previous prime is 2212222139. The next prime is 2212222151. The reversal of 2212222141 is 1412222122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 866066041 + 1346156100 = 29429^2 + 36690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212222141 - 2¹ = 2212222139 is a prime.

It is a super-2 number, since 2×2212222141² = 9787853602261247762, 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 (2212222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082340 + ... + 1084381.

It is an arithmetic number, because the mean of its divisors is an integer number (553597471).

Almost surely, 2^2212222141 is an apocalyptic number.

It is an amenable number.

2212222141 is a deficient number, since it is larger than the sum of its proper divisors (2167743).

2212222141 is a wasteful number, since it uses less digits than its factorization.

2212222141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167742.

The product of its digits is 256, while the sum is 19.

The square root of 2212222141 is about 47034.2656049821. The cubic root of 2212222141 is about 1302.9954871092.

Subtracting from 2212222141 its sum of digits (19), we obtain a palindrome (2212222122).

Adding to 2212222141 its reverse (1412222122), we get a palindrome (3624444263).

The spelling of 2212222141 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred forty-one".