223870069 has 2 divisors, whose sum is σ = 223870070. Its totient is φ = 223870068.

The previous prime is 223870057. The next prime is 223870081. The reversal of 223870069 is 960078322.

It is a balanced prime because it is at equal distance from previous prime (223870057) and next prime (223870081).

It can be written as a sum of positive squares in only one way, i.e., 188705169 + 35164900 = 13737^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 223870069 - 2⁵ = 223870037 is a prime.

It is a super-2 number, since 2×223870069² = 100235615588129522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223870099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111935034 + 111935035.

It is an arithmetic number, because the mean of its divisors is an integer number (111935035).

Almost surely, 2^223870069 is an apocalyptic number.

It is an amenable number.

223870069 is a deficient number, since it is larger than the sum of its proper divisors (1).

223870069 is an equidigital number, since it uses as much as digits as its factorization.

223870069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 223870069 is about 14962.2882274069. The cubic root of 223870069 is about 607.2003469490.

The spelling of 223870069 in words is "two hundred twenty-three million, eight hundred seventy thousand, sixty-nine".