225142223 has 2 divisors, whose sum is σ = 225142224. Its totient is φ = 225142222.

The previous prime is 225142213. The next prime is 225142261. The reversal of 225142223 is 322241522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225142223 - 2¹² = 225138127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225142213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112571111 + 112571112.

It is an arithmetic number, because the mean of its divisors is an integer number (112571112).

Almost surely, 2^225142223 is an apocalyptic number.

225142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

225142223 is an equidigital number, since it uses as much as digits as its factorization.

225142223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 23.

The square root of 225142223 is about 15004.7400177411. The cubic root of 225142223 is about 608.3483250116.

Adding to 225142223 its reverse (322241522), we get a palindrome (547383745).

The spelling of 225142223 in words is "two hundred twenty-five million, one hundred forty-two thousand, two hundred twenty-three".