222493769 has 2 divisors, whose sum is σ = 222493770. Its totient is φ = 222493768.

The previous prime is 222493763. The next prime is 222493787. The reversal of 222493769 is 967394222.

222493769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222367744 + 126025 = 14912^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 222493769 - 2⁴ = 222493753 is a prime.

It is a super-2 number, since 2×222493769² = 99006954487650722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (222493763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111246884 + 111246885.

It is an arithmetic number, because the mean of its divisors is an integer number (111246885).

Almost surely, 2^222493769 is an apocalyptic number.

It is an amenable number.

222493769 is a deficient number, since it is larger than the sum of its proper divisors (1).

222493769 is an equidigital number, since it uses as much as digits as its factorization.

222493769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 222493769 is about 14916.2250251195. The cubic root of 222493769 is about 605.9534804738.

The spelling of 222493769 in words is "two hundred twenty-two million, four hundred ninety-three thousand, seven hundred sixty-nine".