225661215326 has 8 divisors (see below), whose sum is σ = 340361944104. Its totient is φ = 112207233960.

The previous prime is 225661215313. The next prime is 225661215331. The reversal of 225661215326 is 623512166522.

225661215326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311686400 + ... + 311687123.

It is an arithmetic number, because the mean of its divisors is an integer number (42545243013).

Almost surely, 2^225661215326 is an apocalyptic number.

225661215326 is a deficient number, since it is larger than the sum of its proper divisors (114700728778).

225661215326 is a wasteful number, since it uses less digits than its factorization.

225661215326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623373706.

The product of its digits is 259200, while the sum is 41.

The spelling of 225661215326 in words is "two hundred twenty-five billion, six hundred sixty-one million, two hundred fifteen thousand, three hundred twenty-six".