44312221351 has 2 divisors, whose sum is σ = 44312221352. Its totient is φ = 44312221350.

The previous prime is 44312221339. The next prime is 44312221361. The reversal of 44312221351 is 15312221344.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44312221351 - 2⁵ = 44312221319 is a prime.

It is a super-2 number, since 2×44312221351² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44312221361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22156110675 + 22156110676.

It is an arithmetic number, because the mean of its divisors is an integer number (22156110676).

Almost surely, 2^44312221351 is an apocalyptic number.

44312221351 is a deficient number, since it is larger than the sum of its proper divisors (1).

44312221351 is an equidigital number, since it uses as much as digits as its factorization.

44312221351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

Adding to 44312221351 its reverse (15312221344), we get a palindrome (59624442695).

The spelling of 44312221351 in words is "forty-four billion, three hundred twelve million, two hundred twenty-one thousand, three hundred fifty-one".