2220432 has 40 divisors (see below), whose sum is σ = 5791296. Its totient is φ = 733056.

The previous prime is 2220431. The next prime is 2220457. The reversal of 2220432 is 2340222.

It is not an unprimeable number, because it can be changed into a prime (2220431) 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, 7878 + ... + 8154.

2^2220432 is an apocalyptic number.

It is an amenable number.

2220432 is an abundant number, since it is smaller than the sum of its proper divisors (3570864).

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

2220432 is a wasteful number, since it uses less digits than its factorization.

2220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2220432 is about 1490.1114052312. Note that the first 3 decimals coincide. The cubic root of 2220432 is about 130.4605362095.

Adding to 2220432 its reverse (2340222), we get a palindrome (4560654).

The spelling of 2220432 in words is "two million, two hundred twenty thousand, four hundred thirty-two".