2251143333244 has 12 divisors (see below), whose sum is σ = 4242539358904. Its totient is φ = 1038989230704.

The previous prime is 2251143333221. The next prime is 2251143333253. The reversal of 2251143333244 is 4423333411522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21645608922 + ... + 21645609025.

Almost surely, 2^{2251143333244} is an apocalyptic number.

It is an amenable number.

2251143333244 is a deficient number, since it is larger than the sum of its proper divisors (1991396025660).

2251143333244 is a wasteful number, since it uses less digits than its factorization.

2251143333244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43291217964 (or 43291217962 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

Adding to 2251143333244 its reverse (4423333411522), we get a palindrome (6674476744766).

The spelling of 2251143333244 in words is "two trillion, two hundred fifty-one billion, one hundred forty-three million, three hundred thirty-three thousand, two hundred forty-four".