55222033 has 4 divisors (see below), whose sum is σ = 55238580. Its totient is φ = 55205488.

The previous prime is 55222009. The next prime is 55222043. The reversal of 55222033 is 33022255.

55222033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 39037504 = 4023^2 + 6248^2 .

It is a cyclic number.

It is not a de Polignac number, because 55222033 - 2⁹ = 55221521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55221995 and 55222013.

It is not an unprimeable number, because it can be changed into a prime (55222043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318 + ... + 10591.

It is an arithmetic number, because the mean of its divisors is an integer number (13809645).

Almost surely, 2^55222033 is an apocalyptic number.

It is an amenable number.

55222033 is a deficient number, since it is larger than the sum of its proper divisors (16547).

55222033 is a wasteful number, since it uses less digits than its factorization.

55222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 55222033 is about 7431.1528715267. The cubic root of 55222033 is about 380.8063050096.

Adding to 55222033 its reverse (33022255), we get a palindrome (88244288).

The spelling of 55222033 in words is "fifty-five million, two hundred twenty-two thousand, thirty-three".