222406634369 has 2 divisors, whose sum is σ = 222406634370. Its totient is φ = 222406634368.

The previous prime is 222406634311. The next prime is 222406634413. The reversal of 222406634369 is 963436604222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213591865600 + 8814768769 = 462160^2 + 93887^2 .

It is a cyclic number.

It is not a de Polignac number, because 222406634369 - 2²⁸ = 222138198913 is a prime.

It is a super-2 number, since 2×222406634369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222406634069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111203317184 + 111203317185.

It is an arithmetic number, because the mean of its divisors is an integer number (111203317185).

Almost surely, 2^222406634369 is an apocalyptic number.

It is an amenable number.

222406634369 is a deficient number, since it is larger than the sum of its proper divisors (1).

222406634369 is an equidigital number, since it uses as much as digits as its factorization.

222406634369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 222406634369 in words is "two hundred twenty-two billion, four hundred six million, six hundred thirty-four thousand, three hundred sixty-nine".