2216552 has 16 divisors (see below), whose sum is σ = 4475940. Its totient is φ = 1022976.

The previous prime is 2216551. The next prime is 2216563. The reversal of 2216552 is 2556122.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 217156 = 1414^2 + 466^2 .

It is not an unprimeable number, because it can be changed into a prime (2216551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10553 + ... + 10760.

2^2216552 is an apocalyptic number.

It is an amenable number.

2216552 is an abundant number, since it is smaller than the sum of its proper divisors (2259388).

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

2216552 is a wasteful number, since it uses less digits than its factorization.

2216552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332 (or 21328 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2216552 is about 1488.8089199088. The cubic root of 2216552 is about 130.3845026560.

The spelling of 2216552 in words is "two million, two hundred sixteen thousand, five hundred fifty-two".