225015559 has 2 divisors, whose sum is σ = 225015560. Its totient is φ = 225015558.

The previous prime is 225015533. The next prime is 225015599. The reversal of 225015559 is 955510522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225015559 - 2¹¹ = 225013511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225015529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112507779 + 112507780.

It is an arithmetic number, because the mean of its divisors is an integer number (112507780).

Almost surely, 2^225015559 is an apocalyptic number.

225015559 is a deficient number, since it is larger than the sum of its proper divisors (1).

225015559 is an equidigital number, since it uses as much as digits as its factorization.

225015559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 225015559 is about 15000.5186243676. The cubic root of 225015559 is about 608.2342189351.

The spelling of 225015559 in words is "two hundred twenty-five million, fifteen thousand, five hundred fifty-nine".