225607236666 has 64 divisors (see below), whose sum is σ = 518109696000. Its totient is φ = 64154952576.

The previous prime is 225607236661. The next prime is 225607236667. The reversal of 225607236666 is 666632706522.

It is not an unprimeable number, because it can be changed into a prime (225607236661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36391035 + ... + 36397233.

It is an arithmetic number, because the mean of its divisors is an integer number (8095464000).

Almost surely, 2^225607236666 is an apocalyptic number.

225607236666 is an abundant number, since it is smaller than the sum of its proper divisors (292502459334).

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

225607236666 is a wasteful number, since it uses less digits than its factorization.

225607236666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163.

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 225607236666 in words is "two hundred twenty-five billion, six hundred seven million, two hundred thirty-six thousand, six hundred sixty-six".