225511340 has 12 divisors (see below), whose sum is σ = 473573856. Its totient is φ = 90204528.

The previous prime is 225511313. The next prime is 225511369. The reversal of 225511340 is 43115522.

225511340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5637764 + ... + 5637803.

It is an arithmetic number, because the mean of its divisors is an integer number (39464488).

Almost surely, 2^225511340 is an apocalyptic number.

225511340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225511340 is an abundant number, since it is smaller than the sum of its proper divisors (248062516).

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

225511340 is a wasteful number, since it uses less digits than its factorization.

225511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275576 (or 11275574 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 225511340 is about 15017.0349936331. The cubic root of 225511340 is about 608.6806025398.

Adding to 225511340 its reverse (43115522), we get a palindrome (268626862).

The spelling of 225511340 in words is "two hundred twenty-five million, five hundred eleven thousand, three hundred forty".