2221210222337 has 2 divisors, whose sum is σ = 2221210222338. Its totient is φ = 2221210222336.

The previous prime is 2221210222199. The next prime is 2221210222373. The reversal of 2221210222337 is 7332220121222.

It is a happy number.

Together with next prime (2221210222373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2102381101681 + 118829120656 = 1449959^2 + 344716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221210222337 - 2⁸ = 2221210222081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221210222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110605111168 + 1110605111169.

It is an arithmetic number, because the mean of its divisors is an integer number (1110605111169).

Almost surely, 2^{2221210222337} is an apocalyptic number.

It is an amenable number.

2221210222337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221210222337 is an equidigital number, since it uses as much as digits as its factorization.

2221210222337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 2221210222337 its reverse (7332220121222), we get a palindrome (9553430343559).

The spelling of 2221210222337 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, three hundred thirty-seven".