225226320 has 80 divisors (see below), whose sum is σ = 761683392. Its totient is φ = 54599680.

The previous prime is 225226307. The next prime is 225226343. The reversal of 225226320 is 23622522.

225226320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40017 + ... + 45296.

Almost surely, 2^225226320 is an apocalyptic number.

225226320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225226320 is an abundant number, since it is smaller than the sum of its proper divisors (536457072).

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

225226320 is a wasteful number, since it uses less digits than its factorization.

225226320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85340 (or 85334 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 225226320 is about 15007.5421038890. The cubic root of 225226320 is about 608.4240606951.

Adding to 225226320 its reverse (23622522), we get a palindrome (248848842).

The spelling of 225226320 in words is "two hundred twenty-five million, two hundred twenty-six thousand, three hundred twenty".