225130773242 has 8 divisors (see below), whose sum is σ = 340794290100. Its totient is φ = 111532676544.

The previous prime is 225130773209. The next prime is 225130773269. The reversal of 225130773242 is 242377031522.

It can be written as a sum of positive squares in 2 ways, for example, as 223351705201 + 1779068041 = 472601^2 + 42179^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 225130773196 and 225130773205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516354767 + ... + 516355202.

Almost surely, 2^225130773242 is an apocalyptic number.

225130773242 is a deficient number, since it is larger than the sum of its proper divisors (115663516858).

225130773242 is a wasteful number, since it uses less digits than its factorization.

225130773242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032710080.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 225130773242 in words is "two hundred twenty-five billion, one hundred thirty million, seven hundred seventy-three thousand, two hundred forty-two".