225433423920 has 80 divisors (see below), whose sum is σ = 699412234752. Its totient is φ = 60066666240.

The previous prime is 225433423879. The next prime is 225433423921. The reversal of 225433423920 is 29324334522.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (225433423921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86082 + ... + 676961.

Almost surely, 2^225433423920 is an apocalyptic number.

225433423920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225433423920 is an abundant number, since it is smaller than the sum of its proper divisors (473978810832).

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

225433423920 is a wasteful number, since it uses less digits than its factorization.

225433423920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764290 (or 764284 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 225433423920 in words is "two hundred twenty-five billion, four hundred thirty-three million, four hundred twenty-three thousand, nine hundred twenty".