222226369 has 2 divisors, whose sum is σ = 222226370. Its totient is φ = 222226368.

The previous prime is 222226351. The next prime is 222226373. The reversal of 222226369 is 963622222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182385025 + 39841344 = 13505^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 222226369 - 2¹³ = 222218177 is a prime.

It is a super-2 number, since 2×222226369² = 98769118157848322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222226309) 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, 111113184 + 111113185.

It is an arithmetic number, because the mean of its divisors is an integer number (111113185).

Almost surely, 2^222226369 is an apocalyptic number.

It is an amenable number.

222226369 is a deficient number, since it is larger than the sum of its proper divisors (1).

222226369 is an equidigital number, since it uses as much as digits as its factorization.

222226369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 222226369 is about 14907.2589365047. The cubic root of 222226369 is about 605.7106318516.

The spelling of 222226369 in words is "two hundred twenty-two million, two hundred twenty-six thousand, three hundred sixty-nine".