223414729 has 2 divisors, whose sum is σ = 223414730. Its totient is φ = 223414728.

The previous prime is 223414721. The next prime is 223414813. The reversal of 223414729 is 927414322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140185600 + 83229129 = 11840^2 + 9123^2 .

It is a cyclic number.

It is not a de Polignac number, because 223414729 - 2³ = 223414721 is a prime.

It is a super-2 number, since 2×223414729² = 99828282268286882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223414694 and 223414703.

It is not a weakly prime, because it can be changed into another prime (223414721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111707364 + 111707365.

It is an arithmetic number, because the mean of its divisors is an integer number (111707365).

Almost surely, 2^223414729 is an apocalyptic number.

It is an amenable number.

223414729 is a deficient number, since it is larger than the sum of its proper divisors (1).

223414729 is an equidigital number, since it uses as much as digits as its factorization.

223414729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 223414729 is about 14947.0642267972. The cubic root of 223414729 is about 606.7883962884.

The spelling of 223414729 in words is "two hundred twenty-three million, four hundred fourteen thousand, seven hundred twenty-nine".