225807490 has 16 divisors (see below), whose sum is σ = 406912320. Its totient is φ = 90221040.

The previous prime is 225807467. The next prime is 225807499. The reversal of 225807490 is 94708522.

It is not an unprimeable number, because it can be changed into a prime (225807499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (25432020).

Almost surely, 2^225807490 is an apocalyptic number.

225807490 is a deficient number, since it is larger than the sum of its proper divisors (181104830).

225807490 is a wasteful number, since it uses less digits than its factorization.

225807490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25497.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 225807490 is about 15026.8922269377. The cubic root of 225807490 is about 608.9469334326.

The spelling of 225807490 in words is "two hundred twenty-five million, eight hundred seven thousand, four hundred ninety".