2332432021 has 4 divisors (see below), whose sum is σ = 2332571500. Its totient is φ = 2332292544.

The previous prime is 2332432009. The next prime is 2332432049. The reversal of 2332432021 is 1202342332.

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 1033622500 + 1298809521 = 32150^2 + 36039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2332432021 - 2¹¹ = 2332429973 is a prime.

It is a super-2 number, since 2×2332432021² = 10880478265172288882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2332431983 and 2332432001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332432061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40596 + ... + 79453.

It is an arithmetic number, because the mean of its divisors is an integer number (583142875).

Almost surely, 2^2332432021 is an apocalyptic number.

It is an amenable number.

2332432021 is a deficient number, since it is larger than the sum of its proper divisors (139479).

2332432021 is a wasteful number, since it uses less digits than its factorization.

2332432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139478.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2332432021 is about 48295.2587838599. The cubic root of 2332432021 is about 1326.1816009553.

Adding to 2332432021 its reverse (1202342332), we get a palindrome (3534774353).

The spelling of 2332432021 in words is "two billion, three hundred thirty-two million, four hundred thirty-two thousand, twenty-one".