2216232 has 24 divisors (see below), whose sum is σ = 6002490. Its totient is φ = 738720.

The previous prime is 2216231. The next prime is 2216237. The reversal of 2216232 is 2326122.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 125316 = 1446^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2216231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15319 + ... + 15462.

2^2216232 is an apocalyptic number.

It is an amenable number.

2216232 is an abundant number, since it is smaller than the sum of its proper divisors (3786258).

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

2216232 is a wasteful number, since it uses less digits than its factorization.

2216232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30793 (or 30786 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2216232 is about 1488.7014475710. The cubic root of 2216232 is about 130.3782278880.

The spelling of 2216232 in words is "two million, two hundred sixteen thousand, two hundred thirty-two".