22220550321351 has 32 divisors (see below), whose sum is σ = 31105842905088. Its totient is φ = 14082436151520.

The previous prime is 22220550321349. The next prime is 22220550321391. The reversal of 22220550321351 is 15312305502222.

It is not a de Polignac number, because 22220550321351 - 2¹ = 22220550321349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220550321391) 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 31 ways as a sum of consecutive naturals, for example, 70490250 + ... + 70804776.

It is an arithmetic number, because the mean of its divisors is an integer number (972057590784).

Almost surely, 2^{22220550321351} is an apocalyptic number.

22220550321351 is a deficient number, since it is larger than the sum of its proper divisors (8885292583737).

22220550321351 is a wasteful number, since it uses less digits than its factorization.

22220550321351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320851.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 22220550321351 its reverse (15312305502222), we get a palindrome (37532855823573).

The spelling of 22220550321351 in words is "twenty-two trillion, two hundred twenty billion, five hundred fifty million, three hundred twenty-one thousand, three hundred fifty-one".