225229013 has 2 divisors, whose sum is σ = 225229014. Its totient is φ = 225229012.

The previous prime is 225229003. The next prime is 225229093. The reversal of 225229013 is 310922522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187197124 + 38031889 = 13682^2 + 6167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225229013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225229003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112614506 + 112614507.

It is an arithmetic number, because the mean of its divisors is an integer number (112614507).

Almost surely, 2^225229013 is an apocalyptic number.

It is an amenable number.

225229013 is a deficient number, since it is larger than the sum of its proper divisors (1).

225229013 is an equidigital number, since it uses as much as digits as its factorization.

225229013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 225229013 is about 15007.6318251748. The cubic root of 225229013 is about 608.4264856330.

The spelling of 225229013 in words is "two hundred twenty-five million, two hundred twenty-nine thousand, thirteen".