2189232 has 60 divisors (see below), whose sum is σ = 6402864. Its totient is φ = 696960.

The previous prime is 2189227. The next prime is 2189249. The reversal of 2189232 is 2329812.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2189196 and 2189205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982 + ... + 3642.

2^2189232 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 2189232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201432).

2189232 is an abundant number, since it is smaller than the sum of its proper divisors (4213632).

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

2189232 is a wasteful number, since it uses less digits than its factorization.

2189232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 689 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2189232 is about 1479.6053527884. The cubic root of 2189232 is about 129.8466040787.

It can be divided in two parts, 21 and 89232, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 2189232 in words is "two million, one hundred eighty-nine thousand, two hundred thirty-two".