225055515 has 32 divisors (see below), whose sum is σ = 376197120. Its totient is φ = 114742656.

The previous prime is 225055499. The next prime is 225055531. The reversal of 225055515 is 515550522.

225055515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225055499) and next prime (225055531).

It is not a de Polignac number, because 225055515 - 2⁴ = 225055499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42294 + ... + 47316.

It is an arithmetic number, because the mean of its divisors is an integer number (11756160).

Almost surely, 2^225055515 is an apocalyptic number.

225055515 is a deficient number, since it is larger than the sum of its proper divisors (151141605).

225055515 is a wasteful number, since it uses less digits than its factorization.

225055515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 225055515 is about 15001.8503858691. The cubic root of 225055515 is about 608.2702181762.

The spelling of 225055515 in words is "two hundred twenty-five million, fifty-five thousand, five hundred fifteen".