225522520051 has 2 divisors, whose sum is σ = 225522520052. Its totient is φ = 225522520050.

The previous prime is 225522519967. The next prime is 225522520123. The reversal of 225522520051 is 150025225522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225522520051 - 2⁹ = 225522519539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225522519995 and 225522520022.

It is not a weakly prime, because it can be changed into another prime (225522520351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112761260025 + 112761260026.

It is an arithmetic number, because the mean of its divisors is an integer number (112761260026).

Almost surely, 2^225522520051 is an apocalyptic number.

225522520051 is a deficient number, since it is larger than the sum of its proper divisors (1).

225522520051 is an equidigital number, since it uses as much as digits as its factorization.

225522520051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 225522520051 its reverse (150025225522), we get a palindrome (375547745573).

The spelling of 225522520051 in words is "two hundred twenty-five billion, five hundred twenty-two million, five hundred twenty thousand, fifty-one".