225363647478 has 16 divisors (see below), whose sum is σ = 450742841856. Its totient is φ = 75118624680.

The previous prime is 225363647477. The next prime is 225363647507. The reversal of 225363647478 is 874746363522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225363647477) 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, 454926 + ... + 810977.

It is an arithmetic number, because the mean of its divisors is an integer number (28171427616).

Almost surely, 2^225363647478 is an apocalyptic number.

225363647478 is an abundant number, since it is smaller than the sum of its proper divisors (225379194378).

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

225363647478 is a wasteful number, since it uses less digits than its factorization.

225363647478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295579.

The product of its digits is 40642560, while the sum is 57.

The spelling of 225363647478 in words is "two hundred twenty-five billion, three hundred sixty-three million, six hundred forty-seven thousand, four hundred seventy-eight".