225322532446 has 16 divisors (see below), whose sum is σ = 369364520448. Its totient is φ = 102237410200.

The previous prime is 225322532437. The next prime is 225322532453. The reversal of 225322532446 is 644235223522.

It is a junction number, because it is equal to n+sod(n) for n = 225322532399 and 225322532408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9083470 + ... + 9108241.

It is an arithmetic number, because the mean of its divisors is an integer number (23085282528).

Almost surely, 2^225322532446 is an apocalyptic number.

225322532446 is a deficient number, since it is larger than the sum of its proper divisors (144041988002).

225322532446 is a wasteful number, since it uses less digits than its factorization.

225322532446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192287.

The product of its digits is 691200, while the sum is 40.

Adding to 225322532446 its reverse (644235223522), we get a palindrome (869557755968).

The spelling of 225322532446 in words is "two hundred twenty-five billion, three hundred twenty-two million, five hundred thirty-two thousand, four hundred forty-six".