225665314746 has 8 divisors (see below), whose sum is σ = 451330629504. Its totient is φ = 75221771580.

The previous prime is 225665314717. The next prime is 225665314769. The reversal of 225665314746 is 647413566522.

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

225665314746 is an admirable number.

It is a super-2 number, since 2×225665314746² (a number of 24 digits) contains 22 as substring.

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, 18805442890 + ... + 18805442901.

It is an arithmetic number, because the mean of its divisors is an integer number (56416328688).

Almost surely, 2^225665314746 is an apocalyptic number.

225665314746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225665314746 is a wasteful number, since it uses less digits than its factorization.

225665314746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37610885796.

The product of its digits is 7257600, while the sum is 51.

The spelling of 225665314746 in words is "two hundred twenty-five billion, six hundred sixty-five million, three hundred fourteen thousand, seven hundred forty-six".