2231233140 has 48 divisors (see below), whose sum is σ = 6256031040. Its totient is φ = 594178560.

The previous prime is 2231233139. The next prime is 2231233157. The reversal of 2231233140 is 413321322.

It is a super-3 number, since 3×2231233140³ (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 15 ways as a sum of consecutive naturals, for example, 19180 + ... + 69500.

It is an arithmetic number, because the mean of its divisors is an integer number (130333980).

Almost surely, 2^2231233140 is an apocalyptic number.

2231233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231233140 is an abundant number, since it is smaller than the sum of its proper divisors (4024797900).

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

2231233140 is a wasteful number, since it uses less digits than its factorization.

2231233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072 (or 51070 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2231233140 is about 47235.9306037258. The cubic root of 2231233140 is about 1306.7173292113.

Adding to 2231233140 its reverse (413321322), we get a palindrome (2644554462).

The spelling of 2231233140 in words is "two billion, two hundred thirty-one million, two hundred thirty-three thousand, one hundred forty".