225252323476 has 6 divisors (see below), whose sum is σ = 394191566090. Its totient is φ = 112626161736.

The previous prime is 225252323447. The next prime is 225252323539. The reversal of 225252323476 is 674323252522.

It can be written as a sum of positive squares in only one way, i.e., 207137855376 + 18114468100 = 455124^2 + 134590^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156540431 + ... + 28156540438.

Almost surely, 2^225252323476 is an apocalyptic number.

It is an amenable number.

225252323476 is a deficient number, since it is larger than the sum of its proper divisors (168939242614).

225252323476 is a wasteful number, since it uses less digits than its factorization.

225252323476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56313080873 (or 56313080871 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 43.

Adding to 225252323476 its reverse (674323252522), we get a palindrome (899575575998).

The spelling of 225252323476 in words is "two hundred twenty-five billion, two hundred fifty-two million, three hundred twenty-three thousand, four hundred seventy-six".