225720103631 has 8 divisors (see below), whose sum is σ = 246767399424. Its totient is φ = 204760688920.

The previous prime is 225720103591. The next prime is 225720103711. The reversal of 225720103631 is 136301027522.

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 225720103631 - 2¹⁰ = 225720102607 is a prime.

It is a super-2 number, since 2×225720103631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225720133631) 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, 21964895 + ... + 21975168.

It is an arithmetic number, because the mean of its divisors is an integer number (30845924928).

Almost surely, 2^225720103631 is an apocalyptic number.

225720103631 is a deficient number, since it is larger than the sum of its proper divisors (21047295793).

225720103631 is a wasteful number, since it uses less digits than its factorization.

225720103631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43940541.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 225720103631 in words is "two hundred twenty-five billion, seven hundred twenty million, one hundred three thousand, six hundred thirty-one".