222685069 has 2 divisors, whose sum is σ = 222685070. Its totient is φ = 222685068.

The previous prime is 222685061. The next prime is 222685097. The reversal of 222685069 is 960586222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165122500 + 57562569 = 12850^2 + 7587^2 .

It is a cyclic number.

It is not a de Polignac number, because 222685069 - 2³ = 222685061 is a prime.

It is a super-2 number, since 2×222685069² = 99177279911069522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222685061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111342534 + 111342535.

It is an arithmetic number, because the mean of its divisors is an integer number (111342535).

Almost surely, 2^222685069 is an apocalyptic number.

It is an amenable number.

222685069 is a deficient number, since it is larger than the sum of its proper divisors (1).

222685069 is an equidigital number, since it uses as much as digits as its factorization.

222685069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 222685069 is about 14922.6361277088. The cubic root of 222685069 is about 606.1270968629.

The spelling of 222685069 in words is "two hundred twenty-two million, six hundred eighty-five thousand, sixty-nine".