223407629 has 2 divisors, whose sum is σ = 223407630. Its totient is φ = 223407628.

The previous prime is 223407617. The next prime is 223407631. The reversal of 223407629 is 926704322.

It is a happy number.

223407629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184905604 + 38502025 = 13598^2 + 6205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223407629 is a prime.

Together with 223407631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223407929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111703814 + 111703815.

It is an arithmetic number, because the mean of its divisors is an integer number (111703815).

Almost surely, 2^223407629 is an apocalyptic number.

It is an amenable number.

223407629 is a deficient number, since it is larger than the sum of its proper divisors (1).

223407629 is an equidigital number, since it uses as much as digits as its factorization.

223407629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 223407629 is about 14946.8267200767. The cubic root of 223407629 is about 606.7819684172.

The spelling of 223407629 in words is "two hundred twenty-three million, four hundred seven thousand, six hundred twenty-nine".