2231353344 has 120 divisors (see below), whose sum is σ = 6492584448. Its totient is φ = 676003840.

The previous prime is 2231353321. The next prime is 2231353357. The reversal of 2231353344 is 4433531322.

It is a super-3 number, since 3×2231353344³ (a number of 29 digits) 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, 538609 + ... + 542735.

Almost surely, 2^2231353344 is an apocalyptic number.

2231353344 is a gapful number since it is divisible by the number (24) 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 2231353344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3246292224).

2231353344 is an abundant number, since it is smaller than the sum of its proper divisors (4261231104).

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

2231353344 is an equidigital number, since it uses as much as digits as its factorization.

2231353344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4143 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

The square root of 2231353344 is about 47237.2029654593. The cubic root of 2231353344 is about 1306.7407945359.

Adding to 2231353344 its reverse (4433531322), we get a palindrome (6664884666).

It can be divided in two parts, 22313 and 53344, that added together give a palindrome (75657).

The spelling of 2231353344 in words is "two billion, two hundred thirty-one million, three hundred fifty-three thousand, three hundred forty-four".