225240341215321 has 8 divisors (see below), whose sum is σ = 227954493172224. Its totient is φ = 222526199089680.

The previous prime is 225240341215303. The next prime is 225240341215327. The reversal of 225240341215321 is 123512143042522.

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 225240341215321 - 2⁹ = 225240341214809 is a prime.

It is a super-2 number, since 2×225240341215321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225240341215327) 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, 50463775 + ... + 54745531.

It is an arithmetic number, because the mean of its divisors is an integer number (28494311646528).

Almost surely, 2^{225240341215321} is an apocalyptic number.

It is an amenable number.

225240341215321 is a deficient number, since it is larger than the sum of its proper divisors (2714151956903).

225240341215321 is an equidigital number, since it uses as much as digits as its factorization.

225240341215321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915631.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 225240341215321 its reverse (123512143042522), we get a palindrome (348752484257843).

The spelling of 225240341215321 in words is "two hundred twenty-five trillion, two hundred forty billion, three hundred forty-one million, two hundred fifteen thousand, three hundred twenty-one".