225214111 has 2 divisors, whose sum is σ = 225214112. Its totient is φ = 225214110.

The previous prime is 225214103. The next prime is 225214123. The reversal of 225214111 is 111412522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225214111 - 2³ = 225214103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225214211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112607055 + 112607056.

It is an arithmetic number, because the mean of its divisors is an integer number (112607056).

Almost surely, 2^225214111 is an apocalyptic number.

225214111 is a deficient number, since it is larger than the sum of its proper divisors (1).

225214111 is an equidigital number, since it uses as much as digits as its factorization.

225214111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 19.

The square root of 225214111 is about 15007.1353362326. The cubic root of 225214111 is about 608.4130667409.

Adding to 225214111 its reverse (111412522), we get a palindrome (336626633).

The spelling of 225214111 in words is "two hundred twenty-five million, two hundred fourteen thousand, one hundred eleven".