1225550354244 has 96 divisors (see below), whose sum is σ = 2965871462400. Its totient is φ = 393615311232.

The previous prime is 1225550354243. The next prime is 1225550354261. The reversal of 1225550354244 is 4424530555221.

It is a junction number, because it is equal to n+sod(n) for n = 1225550354196 and 1225550354205.

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 31 ways as a sum of consecutive naturals, for example, 67518082 + ... + 67536230.

It is an arithmetic number, because the mean of its divisors is an integer number (30894494400).

Almost surely, 2^{1225550354244} is an apocalyptic number.

It is an amenable number.

1225550354244 is an abundant number, since it is smaller than the sum of its proper divisors (1740321108156).

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

1225550354244 is a wasteful number, since it uses less digits than its factorization.

1225550354244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20057 (or 20055 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 1225550354244 in words is "one trillion, two hundred twenty-five billion, five hundred fifty million, three hundred fifty-four thousand, two hundred forty-four".