225234524220 has 96 divisors (see below), whose sum is σ = 671110272000. Its totient is φ = 56245330944.

The previous prime is 225234524219. The next prime is 225234524227. The reversal of 225234524220 is 22425432522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225234524227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351840 + ... + 757799.

It is an arithmetic number, because the mean of its divisors is an integer number (6990732000).

Almost surely, 2^225234524220 is an apocalyptic number.

225234524220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225234524220 is an abundant number, since it is smaller than the sum of its proper divisors (445875747780).

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

225234524220 is a wasteful number, since it uses less digits than its factorization.

225234524220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109867 (or 1109865 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 225234524220 its reverse (22425432522), we get a palindrome (247659956742).

The spelling of 225234524220 in words is "two hundred twenty-five billion, two hundred thirty-four million, five hundred twenty-four thousand, two hundred twenty".