352226553681 has 8 divisors (see below), whose sum is σ = 469666746880. Its totient is φ = 234802031472.

The previous prime is 352226553667. The next prime is 352226553727. The reversal of 352226553681 is 186355622253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 352226553681 - 2¹⁵ = 352226520913 is a prime.

It is a super-2 number, since 2×352226553681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 352226553681.

It is not an unprimeable number, because it can be changed into a prime (352226553281) 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 7 ways as a sum of consecutive naturals, for example, 3865201 + ... + 3955278.

It is an arithmetic number, because the mean of its divisors is an integer number (58708343360).

Almost surely, 2^352226553681 is an apocalyptic number.

It is an amenable number.

352226553681 is a deficient number, since it is larger than the sum of its proper divisors (117440193199).

352226553681 is a wasteful number, since it uses less digits than its factorization.

352226553681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835495.

The product of its digits is 2592000, while the sum is 48.

The spelling of 352226553681 in words is "three hundred fifty-two billion, two hundred twenty-six million, five hundred fifty-three thousand, six hundred eighty-one".