2232022181 has 2 divisors, whose sum is σ = 2232022182. Its totient is φ = 2232022180.

The previous prime is 2232022153. The next prime is 2232022183. The reversal of 2232022181 is 1812202322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2226424225 + 5597956 = 47185^2 + 2366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2232022181 is a prime.

It is a super-3 number, since 3×2232022181³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 2232022183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232022183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116011090 + 1116011091.

It is an arithmetic number, because the mean of its divisors is an integer number (1116011091).

Almost surely, 2^2232022181 is an apocalyptic number.

It is an amenable number.

2232022181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232022181 is an equidigital number, since it uses as much as digits as its factorization.

2232022181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2232022181 is about 47244.2819926391. The cubic root of 2232022181 is about 1306.8713444977.

The spelling of 2232022181 in words is "two billion, two hundred thirty-two million, twenty-two thousand, one hundred eighty-one".