225651444342 has 16 divisors (see below), whose sum is σ = 451381980672. Its totient is φ = 75203966120.

The previous prime is 225651444289. The next prime is 225651444373. The reversal of 225651444342 is 243444156522.

It is a junction number, because it is equal to n+sod(n) for n = 225651444294 and 225651444303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258378 + ... + 3326909.

It is an arithmetic number, because the mean of its divisors is an integer number (28211373792).

Almost surely, 2^225651444342 is an apocalyptic number.

225651444342 is an abundant number, since it is smaller than the sum of its proper divisors (225730536330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225651444342 is a wasteful number, since it uses less digits than its factorization.

225651444342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591003.

The product of its digits is 921600, while the sum is 42.

The spelling of 225651444342 in words is "two hundred twenty-five billion, six hundred fifty-one million, four hundred forty-four thousand, three hundred forty-two".