222333132821 has 2 divisors, whose sum is σ = 222333132822. Its totient is φ = 222333132820.

The previous prime is 222333132773. The next prime is 222333132859. The reversal of 222333132821 is 128231333222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193327296100 + 29005836721 = 439690^2 + 170311^2 .

It is a cyclic number.

It is not a de Polignac number, because 222333132821 - 2¹⁴ = 222333116437 is a prime.

It is a Sophie Germain 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 (222333122821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111166566410 + 111166566411.

It is an arithmetic number, because the mean of its divisors is an integer number (111166566411).

Almost surely, 2^222333132821 is an apocalyptic number.

It is an amenable number.

222333132821 is a deficient number, since it is larger than the sum of its proper divisors (1).

222333132821 is an equidigital number, since it uses as much as digits as its factorization.

222333132821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The spelling of 222333132821 in words is "two hundred twenty-two billion, three hundred thirty-three million, one hundred thirty-two thousand, eight hundred twenty-one".