225423678 has 16 divisors (see below), whose sum is σ = 451063296. Its totient is φ = 75105240.

The previous prime is 225423677. The next prime is 225423691. The reversal of 225423678 is 876324522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225423677) 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, 6675 + ... + 22257.

It is an arithmetic number, because the mean of its divisors is an integer number (28191456).

Almost surely, 2^225423678 is an apocalyptic number.

225423678 is an abundant number, since it is smaller than the sum of its proper divisors (225639618).

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

225423678 is a wasteful number, since it uses less digits than its factorization.

225423678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17999.

The product of its digits is 161280, while the sum is 39.

The square root of 225423678 is about 15014.1159579910. The cubic root of 225423678 is about 608.6017224350.

The spelling of 225423678 in words is "two hundred twenty-five million, four hundred twenty-three thousand, six hundred seventy-eight".