225220014420 has 96 divisors (see below), whose sum is σ = 669187491840. Its totient is φ = 56473718400.

The previous prime is 225220014391. The next prime is 225220014427. The reversal of 225220014420 is 24410022522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225220014427) 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, 1301656 + ... + 1464495.

It is an arithmetic number, because the mean of its divisors is an integer number (6970703040).

Almost surely, 2^225220014420 is an apocalyptic number.

225220014420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225220014420 is an abundant number, since it is smaller than the sum of its proper divisors (443967477420).

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

225220014420 is a wasteful number, since it uses less digits than its factorization.

225220014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766245 (or 2766243 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 225220014420 its reverse (24410022522), we get a palindrome (249630036942).

The spelling of 225220014420 in words is "two hundred twenty-five billion, two hundred twenty million, fourteen thousand, four hundred twenty".