225730414721 has 4 divisors (see below), whose sum is σ = 257977616832. Its totient is φ = 193483212612.

The previous prime is 225730414709. The next prime is 225730414739. The reversal of 225730414721 is 127414037522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225730414721 is a prime.

It is a super-2 number, since 2×225730414721² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225730414751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16123601045 + ... + 16123601058.

It is an arithmetic number, because the mean of its divisors is an integer number (64494404208).

Almost surely, 2^225730414721 is an apocalyptic number.

It is an amenable number.

225730414721 is a deficient number, since it is larger than the sum of its proper divisors (32247202111).

225730414721 is an equidigital number, since it uses as much as digits as its factorization.

225730414721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32247202110.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 225730414721 in words is "two hundred twenty-five billion, seven hundred thirty million, four hundred fourteen thousand, seven hundred twenty-one".