2332000021 has 4 divisors (see below), whose sum is σ = 2511384652. Its totient is φ = 2152615392.

The previous prime is 2331999991. The next prime is 2332000067. The reversal of 2332000021 is 1200002332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208080625 + 2123919396 = 14425^2 + 46086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2332000021 - 2¹³ = 2331991829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 179384617 = 2332000021 / (2 + 3 + 3 + 2 + 0 + 0 + 0 + 0 + 2 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2331999965 and 2332000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332009021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89692296 + ... + 89692321.

It is an arithmetic number, because the mean of its divisors is an integer number (627846163).

Almost surely, 2^2332000021 is an apocalyptic number.

It is an amenable number.

2332000021 is a deficient number, since it is larger than the sum of its proper divisors (179384631).

2332000021 is a wasteful number, since it uses less digits than its factorization.

2332000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179384630.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2332000021 is about 48290.7860880313. The cubic root of 2332000021 is about 1326.0997199229.

Adding to 2332000021 its reverse (1200002332), we get a palindrome (3532002353).

The spelling of 2332000021 in words is "two billion, three hundred thirty-two million, twenty-one", and thus it is an aban number.