8122353381 has 32 divisors (see below), whose sum is σ = 12785241600. Its totient is φ = 5096295360.

The previous prime is 8122353361. The next prime is 8122353397. The reversal of 8122353381 is 1833532218.

It is a happy number.

8122353381 is a `hidden beast` number, since 8 + 1 + 223 + 53 + 381 = 666.

It is not a de Polignac number, because 8122353381 - 2¹⁴ = 8122336997 is a prime.

It is a super-2 number, since 2×8122353381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122353341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102036 + ... + 163266.

It is an arithmetic number, because the mean of its divisors is an integer number (399538800).

Almost surely, 2^8122353381 is an apocalyptic number.

It is an amenable number.

8122353381 is a deficient number, since it is larger than the sum of its proper divisors (4662888219).

8122353381 is an equidigital number, since it uses as much as digits as its factorization.

8122353381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61291 (or 61251 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 8122353381 is about 90124.0998900960. The cubic root of 8122353381 is about 2010.1445719135.

Adding to 8122353381 its reverse (1833532218), we get a palindrome (9955885599).

The spelling of 8122353381 in words is "eight billion, one hundred twenty-two million, three hundred fifty-three thousand, three hundred eighty-one".