2231936 has 64 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 918528.

The previous prime is 2231909. The next prime is 2231941. The reversal of 2231936 is 6391322.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×2231936³ = 33355424055655661568, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42086 + ... + 42138.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2^2231936 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 2231936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643840).

2231936 is an abundant number, since it is smaller than the sum of its proper divisors (3055744).

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

2231936 is an equidigital number, since it uses as much as digits as its factorization.

2231936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 109 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2231936 is about 1493.9665324230. The cubic root of 2231936 is about 130.6854524335.

The spelling of 2231936 in words is "two million, two hundred thirty-one thousand, nine hundred thirty-six".