225321623007 has 8 divisors (see below), whose sum is σ = 323538740784. Its totient is φ = 138659460288.

The previous prime is 225321622987. The next prime is 225321623053. The reversal of 225321623007 is 700326123522.

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

It is not a de Polignac number, because 225321623007 - 2⁶ = 225321622943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225321623407) 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, 2888738718 + ... + 2888738795.

It is an arithmetic number, because the mean of its divisors is an integer number (40442342598).

Almost surely, 2^225321623007 is an apocalyptic number.

225321623007 is a deficient number, since it is larger than the sum of its proper divisors (98217117777).

225321623007 is a wasteful number, since it uses less digits than its factorization.

225321623007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777477529.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 225321623007 its reverse (700326123522), we get a palindrome (925647746529).

The spelling of 225321623007 in words is "two hundred twenty-five billion, three hundred twenty-one million, six hundred twenty-three thousand, seven".