225566679 has 8 divisors (see below), whose sum is σ = 323890672. Its totient is φ = 138810240.

The previous prime is 225566657. The next prime is 225566687. The reversal of 225566679 is 976665522.

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

It is a de Polignac number, because none of the positive numbers 2^k-225566679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225566609) 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, 2891842 + ... + 2891919.

It is an arithmetic number, because the mean of its divisors is an integer number (40486334).

Almost surely, 2^225566679 is an apocalyptic number.

225566679 is a deficient number, since it is larger than the sum of its proper divisors (98323993).

225566679 is a wasteful number, since it uses less digits than its factorization.

225566679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783777.

The product of its digits is 1360800, while the sum is 48.

The square root of 225566679 is about 15018.8774214320. The cubic root of 225566679 is about 608.7303872069.

The spelling of 225566679 in words is "two hundred twenty-five million, five hundred sixty-six thousand, six hundred seventy-nine".