2233133440 has 64 divisors (see below), whose sum is σ = 5347827360. Its totient is φ = 891707392.

The previous prime is 2233133431. The next prime is 2233133449. The reversal of 2233133440 is 443313322.

It is an interprime number because it is at equal distance from previous prime (2233133431) and next prime (2233133449).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233133449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411384 + ... + 416776.

Almost surely, 2^2233133440 is an apocalyptic number.

2233133440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2233133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673913680).

2233133440 is an abundant number, since it is smaller than the sum of its proper divisors (3114693920).

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

2233133440 is an equidigital number, since it uses as much as digits as its factorization.

2233133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2233133440 is about 47256.0413069059. The cubic root of 2233133440 is about 1307.0881929394.

Adding to 2233133440 its reverse (443313322), we get a palindrome (2676446762).

The spelling of 2233133440 in words is "two billion, two hundred thirty-three million, one hundred thirty-three thousand, four hundred forty".