225145510 has 32 divisors (see below), whose sum is σ = 420723072. Its totient is φ = 86686080.

The previous prime is 225145499. The next prime is 225145541. The reversal of 225145510 is 15541522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24744 + ... + 32596.

It is an arithmetic number, because the mean of its divisors is an integer number (13147596).

Almost surely, 2^225145510 is an apocalyptic number.

225145510 is a deficient number, since it is larger than the sum of its proper divisors (195577562).

225145510 is a wasteful number, since it uses less digits than its factorization.

225145510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 225145510 is about 15004.8495493957. The cubic root of 225145510 is about 608.3512855568.

The spelling of 225145510 in words is "two hundred twenty-five million, one hundred forty-five thousand, five hundred ten".