2231533432 has 16 divisors (see below), whose sum is σ = 4404342600. Its totient is φ = 1057042080.

The previous prime is 2231533361. The next prime is 2231533433. The reversal of 2231533432 is 2343351322.

It is a super-3 number, since 3×2231533432³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231533432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231533433) 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, 7340419 + ... + 7340722.

Almost surely, 2^2231533432 is an apocalyptic number.

It is an amenable number.

2231533432 is a deficient number, since it is larger than the sum of its proper divisors (2172809168).

2231533432 is a wasteful number, since it uses less digits than its factorization.

2231533432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14681166 (or 14681162 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 2231533432 is about 47239.1091363925. The cubic root of 2231533432 is about 1306.7759483894.

Adding to 2231533432 its reverse (2343351322), we get a palindrome (4574884754).

The spelling of 2231533432 in words is "two billion, two hundred thirty-one million, five hundred thirty-three thousand, four hundred thirty-two".