226447725 has 24 divisors (see below), whose sum is σ = 427879360. Its totient is φ = 103518720.

The previous prime is 226447721. The next prime is 226447763. The reversal of 226447725 is 527744622.

It is a happy number.

It is not a de Polignac number, because 226447725 - 2² = 226447721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226447721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215140 + ... + 216189.

Almost surely, 2^226447725 is an apocalyptic number.

226447725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226447725 is a deficient number, since it is larger than the sum of its proper divisors (201431635).

226447725 is a wasteful number, since it uses less digits than its factorization.

226447725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431349 (or 431344 counting only the distinct ones).

The product of its digits is 188160, while the sum is 39.

The square root of 226447725 is about 15048.1801225264. The cubic root of 226447725 is about 609.5219088274.

The spelling of 226447725 in words is "two hundred twenty-six million, four hundred forty-seven thousand, seven hundred twenty-five".