2250221656243 has 8 divisors (see below), whose sum is σ = 2599186512240. Its totient is φ = 1925323342080.

The previous prime is 2250221656217. The next prime is 2250221656261. The reversal of 2250221656243 is 3426561220522.

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

It is not a de Polignac number, because 2250221656243 - 2⁵ = 2250221656211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2250221656196 and 2250221656205.

It is not an unprimeable number, because it can be changed into a prime (2250221651243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6016635258 + ... + 6016635631.

It is an arithmetic number, because the mean of its divisors is an integer number (324898314030).

Almost surely, 2^{2250221656243} is an apocalyptic number.

2250221656243 is a deficient number, since it is larger than the sum of its proper divisors (348964855997).

2250221656243 is a wasteful number, since it uses less digits than its factorization.

2250221656243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033270917.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 2250221656243 its reverse (3426561220522), we get a palindrome (5676782876765).

The spelling of 2250221656243 in words is "two trillion, two hundred fifty billion, two hundred twenty-one million, six hundred fifty-six thousand, two hundred forty-three".