225442758 has 8 divisors (see below), whose sum is σ = 450885528. Its totient is φ = 75147584.

The previous prime is 225442753. The next prime is 225442759. The reversal of 225442758 is 857244522.

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

225442758 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225442753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18786891 + ... + 18786902.

It is an arithmetic number, because the mean of its divisors is an integer number (56360691).

Almost surely, 2^225442758 is an apocalyptic number.

225442758 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.

225442758 is a wasteful number, since it uses less digits than its factorization.

225442758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37573798.

The product of its digits is 179200, while the sum is 39.

The square root of 225442758 is about 15014.7513465925. The cubic root of 225442758 is about 608.6188927598.

The spelling of 225442758 in words is "two hundred twenty-five million, four hundred forty-two thousand, seven hundred fifty-eight".