222254191309 has 2 divisors, whose sum is σ = 222254191310. Its totient is φ = 222254191308.

The previous prime is 222254191283. The next prime is 222254191339. The reversal of 222254191309 is 903191452222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221492596900 + 761594409 = 470630^2 + 27597^2 .

It is a cyclic number.

It is not a de Polignac number, because 222254191309 - 2¹⁹ = 222253667021 is a prime.

It is a super-2 number, since 2×222254191309² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222254191339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111127095654 + 111127095655.

It is an arithmetic number, because the mean of its divisors is an integer number (111127095655).

Almost surely, 2^222254191309 is an apocalyptic number.

It is an amenable number.

222254191309 is a deficient number, since it is larger than the sum of its proper divisors (1).

222254191309 is an equidigital number, since it uses as much as digits as its factorization.

222254191309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 222254191309 in words is "two hundred twenty-two billion, two hundred fifty-four million, one hundred ninety-one thousand, three hundred nine".