224289907 has 2 divisors, whose sum is σ = 224289908. Its totient is φ = 224289906.

The previous prime is 224289887. The next prime is 224289913. The reversal of 224289907 is 709982422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224289907 - 2¹¹ = 224287859 is a prime.

It is not a weakly prime, because it can be changed into another prime (224289977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112144953 + 112144954.

It is an arithmetic number, because the mean of its divisors is an integer number (112144954).

Almost surely, 2^224289907 is an apocalyptic number.

224289907 is a deficient number, since it is larger than the sum of its proper divisors (1).

224289907 is an equidigital number, since it uses as much as digits as its factorization.

224289907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 224289907 is about 14976.3115285440. The cubic root of 224289907 is about 607.5796839258.

The spelling of 224289907 in words is "two hundred twenty-four million, two hundred eighty-nine thousand, nine hundred seven".