2250221656242 has 16 divisors (see below), whose sum is σ = 5143363785792. Its totient is φ = 642920473200.

The previous prime is 2250221656217. The next prime is 2250221656261. The reversal of 2250221656242 is 2426561220522.

2250221656242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2250221656242.

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, 26788353009 + ... + 26788353092.

It is an arithmetic number, because the mean of its divisors is an integer number (321460236612).

Almost surely, 2^{2250221656242} is an apocalyptic number.

2250221656242 is an abundant number, since it is smaller than the sum of its proper divisors (2893142129550).

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

2250221656242 is a wasteful number, since it uses less digits than its factorization.

2250221656242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53576706113.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 2250221656242 its reverse (2426561220522), we get a palindrome (4676782876764).

The spelling of 2250221656242 in words is "two trillion, two hundred fifty billion, two hundred twenty-one million, six hundred fifty-six thousand, two hundred forty-two".