225322051 has 2 divisors, whose sum is σ = 225322052. Its totient is φ = 225322050.

The previous prime is 225322037. The next prime is 225322073. The reversal of 225322051 is 150223522.

It is an a-pointer prime, because the next prime (225322073) can be obtained adding 225322051 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225322051 - 2¹¹ = 225320003 is a prime.

It is not a weakly prime, because it can be changed into another prime (225322081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112661025 + 112661026.

It is an arithmetic number, because the mean of its divisors is an integer number (112661026).

Almost surely, 2^225322051 is an apocalyptic number.

225322051 is a deficient number, since it is larger than the sum of its proper divisors (1).

225322051 is an equidigital number, since it uses as much as digits as its factorization.

225322051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225322051 is about 15010.7311947153. The cubic root of 225322051 is about 608.5102507305.

Adding to 225322051 its reverse (150223522), we get a palindrome (375545573).

The spelling of 225322051 in words is "two hundred twenty-five million, three hundred twenty-two thousand, fifty-one".