2231432 has 16 divisors (see below), whose sum is σ = 4781760. Its totient is φ = 956304.

The previous prime is 2231431. The next prime is 2231447. The reversal of 2231432 is 2341322.

It is a super-3 number, since 3×2231432³ = 33332832900033160704, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231432.

It is not an unprimeable number, because it can be changed into a prime (2231431) 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, 19868 + ... + 19979.

It is an arithmetic number, because the mean of its divisors is an integer number (298860).

2^2231432 is an apocalyptic number.

It is an amenable number.

2231432 is an abundant number, since it is smaller than the sum of its proper divisors (2550328).

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

2231432 is a wasteful number, since it uses less digits than its factorization.

2231432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39860 (or 39856 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 2231432 is about 1493.7978444221. The cubic root of 2231432 is about 130.6756148715.

Adding to 2231432 its reverse (2341322), we get a palindrome (4572754).

The spelling of 2231432 in words is "two million, two hundred thirty-one thousand, four hundred thirty-two".