225205510 has 16 divisors (see below), whose sum is σ = 407954736. Its totient is φ = 89507808.

The previous prime is 225205493. The next prime is 225205517. The reversal of 225205510 is 15502522.

225205510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225205517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70152 + ... + 73291.

It is an arithmetic number, because the mean of its divisors is an integer number (25497171).

Almost surely, 2^225205510 is an apocalyptic number.

225205510 is a deficient number, since it is larger than the sum of its proper divisors (182749226).

225205510 is a wasteful number, since it uses less digits than its factorization.

225205510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143607.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 225205510 is about 15006.8487698117. The cubic root of 225205510 is about 608.4053214781.

The spelling of 225205510 in words is "two hundred twenty-five million, two hundred five thousand, five hundred ten".