2102232340 has 24 divisors (see below), whose sum is σ = 4754279880. Its totient is φ = 776208768.

The previous prime is 2102232331. The next prime is 2102232437. The reversal of 2102232340 is 432322012.

It can be written as a sum of positive squares in 4 ways, for example, as 120736144 + 1981496196 = 10988^2 + 44514^2 .

It is a super-2 number, since 2×2102232340² = 8838761622683751200, which contains 22 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, 4042495 + ... + 4043014.

It is an arithmetic number, because the mean of its divisors is an integer number (198094995).

Almost surely, 2^2102232340 is an apocalyptic number.

2102232340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102232340 is an abundant number, since it is smaller than the sum of its proper divisors (2652047540).

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

2102232340 is a wasteful number, since it uses less digits than its factorization.

2102232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085531 (or 8085529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2102232340 is about 45850.1073063085. The cubic root of 2102232340 is about 1281.0327643120.

Adding to 2102232340 its reverse (432322012), we get a palindrome (2534554352).

The spelling of 2102232340 in words is "two billion, one hundred two million, two hundred thirty-two thousand, three hundred forty".