3402232021 has 4 divisors (see below), whose sum is σ = 3466425132. Its totient is φ = 3338038912.

The previous prime is 3402231953. The next prime is 3402232039. The reversal of 3402232021 is 1202322043.

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 1609132996 + 1793099025 = 40114^2 + 42345^2 .

It is a cyclic number.

It is not a de Polignac number, because 3402232021 - 2⁷ = 3402231893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3402232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402232081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32096476 + ... + 32096581.

It is an arithmetic number, because the mean of its divisors is an integer number (866606283).

Almost surely, 2^3402232021 is an apocalyptic number.

It is an amenable number.

3402232021 is a deficient number, since it is larger than the sum of its proper divisors (64193111).

3402232021 is an equidigital number, since it uses as much as digits as its factorization.

3402232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64193110.

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

The square root of 3402232021 is about 58328.6552305126. The cubic root of 3402232021 is about 1504.0235710819.

Adding to 3402232021 its reverse (1202322043), we get a palindrome (4604554064).

The spelling of 3402232021 in words is "three billion, four hundred two million, two hundred thirty-two thousand, twenty-one".