2251223353351 has 16 divisors (see below), whose sum is σ = 2582984676096. Its totient is φ = 1922002384896.

The previous prime is 2251223353349. The next prime is 2251223353367. The reversal of 2251223353351 is 1533533221522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2251223353351 - 2¹ = 2251223353349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251223353351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251223353391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56733220 + ... + 56772886.

It is an arithmetic number, because the mean of its divisors is an integer number (161436542256).

Almost surely, 2^{2251223353351} is an apocalyptic number.

2251223353351 is a deficient number, since it is larger than the sum of its proper divisors (331761322745).

2251223353351 is a wasteful number, since it uses less digits than its factorization.

2251223353351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71478.

The product of its digits is 162000, while the sum is 37.

Adding to 2251223353351 its reverse (1533533221522), we get a palindrome (3784756574873).

The spelling of 2251223353351 in words is "two trillion, two hundred fifty-one billion, two hundred twenty-three million, three hundred fifty-three thousand, three hundred fifty-one".