5511822 has 16 divisors (see below), whose sum is σ = 11188992. Its totient is φ = 1809720.

The previous prime is 5511817. The next prime is 5511829. The reversal of 5511822 is 2281155.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5511792 and 5511801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454 + ... + 7257.

It is an arithmetic number, because the mean of its divisors is an integer number (699312).

Almost surely, 2^5511822 is an apocalyptic number.

5511822 is an abundant number, since it is smaller than the sum of its proper divisors (5677170).

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

5511822 is a wasteful number, since it uses less digits than its factorization.

5511822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783.

The product of its digits is 800, while the sum is 24.

The square root of 5511822 is about 2347.7269858312. The cubic root of 5511822 is about 176.6437983137.

Adding to 5511822 its reverse (2281155), we get a palindrome (7792977).

The spelling of 5511822 in words is "five million, five hundred eleven thousand, eight hundred twenty-two".