225206678 has 4 divisors (see below), whose sum is σ = 337810020. Its totient is φ = 112603338.

The previous prime is 225206671. The next prime is 225206713. The reversal of 225206678 is 876602522.

225206678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225206671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56301668 + ... + 56301671.

It is an arithmetic number, because the mean of its divisors is an integer number (84452505).

Almost surely, 2^225206678 is an apocalyptic number.

225206678 is a deficient number, since it is larger than the sum of its proper divisors (112603342).

225206678 is a wasteful number, since it uses less digits than its factorization.

225206678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112603341.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 225206678 is about 15006.8876853264. The cubic root of 225206678 is about 608.4063732821.

The spelling of 225206678 in words is "two hundred twenty-five million, two hundred six thousand, six hundred seventy-eight".