222244133021 has 2 divisors, whose sum is σ = 222244133022. Its totient is φ = 222244133020.

The previous prime is 222244133017. The next prime is 222244133081. The reversal of 222244133021 is 120331442222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180528112996 + 41716020025 = 424886^2 + 204245^2 .

It is a cyclic number.

It is not a de Polignac number, because 222244133021 - 2² = 222244133017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222244133081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111122066510 + 111122066511.

It is an arithmetic number, because the mean of its divisors is an integer number (111122066511).

Almost surely, 2^222244133021 is an apocalyptic number.

It is an amenable number.

222244133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

222244133021 is an equidigital number, since it uses as much as digits as its factorization.

222244133021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 222244133021 its reverse (120331442222), we get a palindrome (342575575243).

The spelling of 222244133021 in words is "two hundred twenty-two billion, two hundred forty-four million, one hundred thirty-three thousand, twenty-one".