225165884428 has 24 divisors (see below), whose sum is σ = 404710813584. Its totient is φ = 109534536000.

The previous prime is 225165884401. The next prime is 225165884429. The reversal of 225165884428 is 824488561522.

It is not an unprimeable number, because it can be changed into a prime (225165884429) 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, 5464503 + ... + 5505553.

It is an arithmetic number, because the mean of its divisors is an integer number (16862950566).

Almost surely, 2^225165884428 is an apocalyptic number.

It is an amenable number.

225165884428 is a deficient number, since it is larger than the sum of its proper divisors (179544929156).

225165884428 is a wasteful number, since it uses less digits than its factorization.

225165884428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78153 (or 78151 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 55.

The spelling of 225165884428 in words is "two hundred twenty-five billion, one hundred sixty-five million, eight hundred eighty-four thousand, four hundred twenty-eight".