2142222253 has 2 divisors, whose sum is σ = 2142222254. Its totient is φ = 2142222252.

The previous prime is 2142222191. The next prime is 2142222293. The reversal of 2142222253 is 3522222412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1312033284 + 830188969 = 36222^2 + 28813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142222253 - 2¹⁷ = 2142091181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142222293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071111126 + 1071111127.

It is an arithmetic number, because the mean of its divisors is an integer number (1071111127).

Almost surely, 2^2142222253 is an apocalyptic number.

It is an amenable number.

2142222253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142222253 is an equidigital number, since it uses as much as digits as its factorization.

2142222253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 2142222253 is about 46284.1468863800. The cubic root of 2142222253 is about 1289.1046514304.

Adding to 2142222253 its reverse (3522222412), we get a palindrome (5664444665).

The spelling of 2142222253 in words is "two billion, one hundred forty-two million, two hundred twenty-two thousand, two hundred fifty-three".