225584994 has 8 divisors (see below), whose sum is σ = 451170000. Its totient is φ = 75194996.

The previous prime is 225584987. The next prime is 225585001. The reversal of 225584994 is 499485522.

225584994 is digitally balanced in base 2 and base 3, because in such bases 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 (225584987) and next prime (225585001).

It is a sphenic number, since it is the product of 3 distinct primes.

225584994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18798744 + ... + 18798755.

It is an arithmetic number, because the mean of its divisors is an integer number (56396250).

Almost surely, 2^225584994 is an apocalyptic number.

225584994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225584994 is a wasteful number, since it uses less digits than its factorization.

225584994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37597504.

The product of its digits is 1036800, while the sum is 48.

The square root of 225584994 is about 15019.4871417103. The cubic root of 225584994 is about 608.7468621510.

The spelling of 225584994 in words is "two hundred twenty-five million, five hundred eighty-four thousand, nine hundred ninety-four".