225225534123 has 16 divisors (see below), whose sum is σ = 335248828800. Its totient is φ = 149438739240.

The previous prime is 225225534103. The next prime is 225225534143. The reversal of 225225534123 is 321435522522.

It is a happy number.

225225534123 is a `hidden beast` number, since 2 + 2 + 522 + 5 + 5 + 3 + 4 + 123 = 666.

It is an interprime number because it is at equal distance from previous prime (225225534103) and next prime (225225534143).

It is not a de Polignac number, because 225225534123 - 2¹⁸ = 225225271979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225225534103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19761333 + ... + 19772726.

It is an arithmetic number, because the mean of its divisors is an integer number (20953051800).

Almost surely, 2^225225534123 is an apocalyptic number.

225225534123 is a deficient number, since it is larger than the sum of its proper divisors (110023294677).

225225534123 is a wasteful number, since it uses less digits than its factorization.

225225534123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39534279 (or 39534273 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 225225534123 in words is "two hundred twenty-five billion, two hundred twenty-five million, five hundred thirty-four thousand, one hundred twenty-three".