2231874432 has 128 divisors (see below), whose sum is σ = 6603847200. Its totient is φ = 742072320.

The previous prime is 2231874431. The next prime is 2231874457. The reversal of 2231874432 is 2344781322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×2231874432³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231874431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283928 + ... + 2284904.

Almost surely, 2^2231874432 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 2231874432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3301923600).

2231874432 is an abundant number, since it is smaller than the sum of its proper divisors (4371972768).

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

2231874432 is an equidigital number, since it uses as much as digits as its factorization.

2231874432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1643 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 2231874432 is about 47242.7182960507. The cubic root of 2231874432 is about 1306.8425076883.

The spelling of 2231874432 in words is "two billion, two hundred thirty-one million, eight hundred seventy-four thousand, four hundred thirty-two".