223524869 has 2 divisors, whose sum is σ = 223524870. Its totient is φ = 223524868.

The previous prime is 223524859. The next prime is 223524901. The reversal of 223524869 is 968425322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160528900 + 62995969 = 12670^2 + 7937^2 .

It is a cyclic number.

It is not a de Polignac number, because 223524869 - 2⁴ = 223524853 is a prime.

It is a super-2 number, since 2×223524869² = 99926734122934322, 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 (223524859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111762434 + 111762435.

It is an arithmetic number, because the mean of its divisors is an integer number (111762435).

Almost surely, 2^223524869 is an apocalyptic number.

It is an amenable number.

223524869 is a deficient number, since it is larger than the sum of its proper divisors (1).

223524869 is an equidigital number, since it uses as much as digits as its factorization.

223524869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 223524869 is about 14950.7481083724. The cubic root of 223524869 is about 606.8880923334. Note that the first 3 decimals are identical.

The spelling of 223524869 in words is "two hundred twenty-three million, five hundred twenty-four thousand, eight hundred sixty-nine".