225261313666 has 8 divisors (see below), whose sum is σ = 355675758480. Its totient is φ = 106702727508.

The previous prime is 225261313633. The next prime is 225261313741. The reversal of 225261313666 is 666313162522.

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

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, 2963964616 + ... + 2963964691.

It is an arithmetic number, because the mean of its divisors is an integer number (44459469810).

Almost surely, 2^225261313666 is an apocalyptic number.

225261313666 is a deficient number, since it is larger than the sum of its proper divisors (130414444814).

225261313666 is a wasteful number, since it uses less digits than its factorization.

225261313666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927929328.

The product of its digits is 466560, while the sum is 43.

The spelling of 225261313666 in words is "two hundred twenty-five billion, two hundred sixty-one million, three hundred thirteen thousand, six hundred sixty-six".