3402242021 has 16 divisors (see below), whose sum is σ = 3490603200. Its totient is φ = 3315053568.

The previous prime is 3402241991. The next prime is 3402242029. The reversal of 3402242021 is 1202422043.

It is a cyclic number.

It is not a de Polignac number, because 3402242021 - 2⁶ = 3402241957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3402241984 and 3402242002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402242029) 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 15 ways as a sum of consecutive naturals, for example, 5795690 + ... + 5796276.

It is an arithmetic number, because the mean of its divisors is an integer number (218162700).

Almost surely, 2^3402242021 is an apocalyptic number.

It is an amenable number.

3402242021 is a deficient number, since it is larger than the sum of its proper divisors (88361179).

3402242021 is a wasteful number, since it uses less digits than its factorization.

3402242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3402242021 is about 58328.7409516098. The cubic root of 3402242021 is about 1504.0250446460.

Adding to 3402242021 its reverse (1202422043), we get a palindrome (4604664064).

The spelling of 3402242021 in words is "three billion, four hundred two million, two hundred forty-two thousand, twenty-one".