5512212 has 72 divisors (see below), whose sum is σ = 14859936. Its totient is φ = 1785888.

The previous prime is 5512189. The next prime is 5512229. The reversal of 5512212 is 2122155.

It is a super-2 number, since 2×5512212² = 60768962265888, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51463 + ... + 51569.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

Almost surely, 2^5512212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5512212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7429968).

5512212 is an abundant number, since it is smaller than the sum of its proper divisors (9347724).

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

5512212 is a wasteful number, since it uses less digits than its factorization.

5512212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 165 counting only the distinct ones).

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

The square root of 5512212 is about 2347.8100434234. The cubic root of 5512212 is about 176.6479644773.

Adding to 5512212 its reverse (2122155), we get a palindrome (7634367).

The spelling of 5512212 in words is "five million, five hundred twelve thousand, two hundred twelve".