225022563251 has 2 divisors, whose sum is σ = 225022563252. Its totient is φ = 225022563250.

The previous prime is 225022563209. The next prime is 225022563277. The reversal of 225022563251 is 152365220522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225022563251 is a prime.

It is not a weakly prime, because it can be changed into another prime (225022523251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112511281625 + 112511281626.

It is an arithmetic number, because the mean of its divisors is an integer number (112511281626).

Almost surely, 2^225022563251 is an apocalyptic number.

225022563251 is a deficient number, since it is larger than the sum of its proper divisors (1).

225022563251 is an equidigital number, since it uses as much as digits as its factorization.

225022563251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 225022563251 its reverse (152365220522), we get a palindrome (377387783773).

The spelling of 225022563251 in words is "two hundred twenty-five billion, twenty-two million, five hundred sixty-three thousand, two hundred fifty-one".