225723420331 has 8 divisors (see below), whose sum is σ = 226035684000. Its totient is φ = 225411343680.

The previous prime is 225723420317. The next prime is 225723420343. The reversal of 225723420331 is 133024327522.

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 225723420331 - 2⁹ = 225723419819 is a prime.

It is a super-2 number, since 2×225723420331² (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 (225723420311) 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, 2461026 + ... + 2551096.

It is an arithmetic number, because the mean of its divisors is an integer number (28254460500).

Almost surely, 2^225723420331 is an apocalyptic number.

225723420331 is a deficient number, since it is larger than the sum of its proper divisors (312263669).

225723420331 is a wasteful number, since it uses less digits than its factorization.

225723420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93509.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 225723420331 its reverse (133024327522), we get a palindrome (358747747853).

The spelling of 225723420331 in words is "two hundred twenty-five billion, seven hundred twenty-three million, four hundred twenty thousand, three hundred thirty-one".