55330433222 has 32 divisors (see below), whose sum is σ = 88440076800. Its totient is φ = 25871598720.

The previous prime is 55330433209. The next prime is 55330433233. The reversal of 55330433222 is 22233403355.

It is a super-2 number, since 2×55330433222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5319647 + ... + 5330037.

It is an arithmetic number, because the mean of its divisors is an integer number (2763752400).

Almost surely, 2^55330433222 is an apocalyptic number.

55330433222 is a deficient number, since it is larger than the sum of its proper divisors (33109643578).

55330433222 is a wasteful number, since it uses less digits than its factorization.

55330433222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 55330433222 its reverse (22233403355), we get a palindrome (77563836577).

The spelling of 55330433222 in words is "fifty-five billion, three hundred thirty million, four hundred thirty-three thousand, two hundred twenty-two".