1225550354242 has 8 divisors (see below), whose sum is σ = 1838332503756. Its totient is φ = 612772852992.

The previous prime is 1225550354213. The next prime is 1225550354243. The reversal of 1225550354242 is 2424530555221.

It can be written as a sum of positive squares in 2 ways, for example, as 1225296238761 + 254115481 = 1106931^2 + 15941^2 .

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 = 1225550354195 and 1225550354204.

It is not an unprimeable number, because it can be changed into a prime (1225550354243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404023 + ... + 1616890.

Almost surely, 2^{1225550354242} is an apocalyptic number.

1225550354242 is a deficient number, since it is larger than the sum of its proper divisors (612782149514).

1225550354242 is a wasteful number, since it uses less digits than its factorization.

1225550354242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324132.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1225550354242 in words is "one trillion, two hundred twenty-five billion, five hundred fifty million, three hundred fifty-four thousand, two hundred forty-two".