224870069 has 2 divisors, whose sum is σ = 224870070. Its totient is φ = 224870068.

The previous prime is 224870039. The next prime is 224870077. The reversal of 224870069 is 960078422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203433169 + 21436900 = 14263^2 + 4630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224870069 is a prime.

It is a super-2 number, since 2×224870069² = 101133095864129522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224870029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112435034 + 112435035.

It is an arithmetic number, because the mean of its divisors is an integer number (112435035).

Almost surely, 2^224870069 is an apocalyptic number.

It is an amenable number.

224870069 is a deficient number, since it is larger than the sum of its proper divisors (1).

224870069 is an equidigital number, since it uses as much as digits as its factorization.

224870069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 224870069 is about 14995.6683412244. The cubic root of 224870069 is about 608.1031004825.

The spelling of 224870069 in words is "two hundred twenty-four million, eight hundred seventy thousand, sixty-nine".