222140069 has 2 divisors, whose sum is σ = 222140070. Its totient is φ = 222140068.

The previous prime is 222140059. The next prime is 222140089. The reversal of 222140069 is 960041222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219928900 + 2211169 = 14830^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 222140069 - 2¹⁶ = 222074533 is a prime.

It is a super-2 number, since 2×222140069² = 98692420510649522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222140059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111070034 + 111070035.

It is an arithmetic number, because the mean of its divisors is an integer number (111070035).

Almost surely, 2^222140069 is an apocalyptic number.

It is an amenable number.

222140069 is a deficient number, since it is larger than the sum of its proper divisors (1).

222140069 is an equidigital number, since it uses as much as digits as its factorization.

222140069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 222140069 is about 14904.3640924395. The cubic root of 222140069 is about 605.6322139215.

The spelling of 222140069 in words is "two hundred twenty-two million, one hundred forty thousand, sixty-nine".