5511222 has 24 divisors (see below), whose sum is σ = 12003264. Its totient is φ = 1827504.

The previous prime is 5511203. The next prime is 5511223. The reversal of 5511222 is 2221155.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5511195 and 5511204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3328 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (500136).

Almost surely, 2^5511222 is an apocalyptic number.

5511222 is an abundant number, since it is smaller than the sum of its proper divisors (6492042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5511222 is a wasteful number, since it uses less digits than its factorization.

5511222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1601 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5511222 is about 2347.5991991820. The cubic root of 5511222 is about 176.6373884474.

Adding to 5511222 its reverse (2221155), we get a palindrome (7732377).

The spelling of 5511222 in words is "five million, five hundred eleven thousand, two hundred twenty-two".