225724252341 has 16 divisors (see below), whose sum is σ = 344064132608. Its totient is φ = 128946524400.

The previous prime is 225724252339. The next prime is 225724252387. The reversal of 225724252341 is 143252427522.

It is not a de Polignac number, because 225724252341 - 2¹ = 225724252339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225724252341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225724252141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543495 + ... + 1683396.

It is an arithmetic number, because the mean of its divisors is an integer number (21504008288).

Almost surely, 2^225724252341 is an apocalyptic number.

225724252341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

225724252341 is a deficient number, since it is larger than the sum of its proper divisors (118339880267).

225724252341 is a wasteful number, since it uses less digits than its factorization.

225724252341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230232.

The product of its digits is 268800, while the sum is 39.

Adding to 225724252341 its reverse (143252427522), we get a palindrome (368976679863).

The spelling of 225724252341 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred fifty-two thousand, three hundred forty-one".