5521216 has 14 divisors (see below), whose sum is σ = 10956290. Its totient is φ = 2760576.

The previous prime is 5521213. The next prime is 5521249. The reversal of 5521216 is 6121255.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 1679616 = 1960^2 + 1296^2 .

It is a super-2 number, since 2×5521216² = 60967652237312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43071 + ... + 43198.

Almost surely, 2^5521216 is an apocalyptic number.

It is an amenable number.

5521216 is a deficient number, since it is larger than the sum of its proper divisors (5435074).

5521216 is an equidigital number, since it uses as much as digits as its factorization.

5521216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86281 (or 86271 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 5521216 is about 2349.7267926293. The cubic root of 5521216 is about 176.7440948528.

The spelling of 5521216 in words is "five million, five hundred twenty-one thousand, two hundred sixteen".