225724303615 has 8 divisors (see below), whose sum is σ = 270990155520. Its totient is φ = 180498782112.

The previous prime is 225724303613. The next prime is 225724303627. The reversal of 225724303615 is 516303427522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225724303615 - 2¹ = 225724303613 is a prime.

It is a super-2 number, since 2×225724303615² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225724303613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070284 + ... + 10092673.

It is an arithmetic number, because the mean of its divisors is an integer number (33873769440).

Almost surely, 2^225724303615 is an apocalyptic number.

225724303615 is a deficient number, since it is larger than the sum of its proper divisors (45265851905).

225724303615 is a wasteful number, since it uses less digits than its factorization.

225724303615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20165201.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 225724303615 in words is "two hundred twenty-five billion, seven hundred twenty-four million, three hundred three thousand, six hundred fifteen".