3442402221 has 8 divisors (see below), whose sum is σ = 4604349984. Its totient is φ = 2287694640.

The previous prime is 3442402219. The next prime is 3442402241. The reversal of 3442402221 is 1222042443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3442402221 - 2¹ = 3442402219 is a prime.

It is a super-2 number, since 2×3442402221² = 23700266102291465682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3442402191 and 3442402200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442402211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808935 + ... + 1810836.

It is an arithmetic number, because the mean of its divisors is an integer number (575543748).

Almost surely, 2^3442402221 is an apocalyptic number.

It is an amenable number.

3442402221 is a deficient number, since it is larger than the sum of its proper divisors (1161947763).

3442402221 is a wasteful number, since it uses less digits than its factorization.

3442402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620091.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3442402221 is about 58671.9883845775. The cubic root of 3442402221 is about 1509.9197684079.

Adding to 3442402221 its reverse (1222042443), we get a palindrome (4664444664).

The spelling of 3442402221 in words is "three billion, four hundred forty-two million, four hundred two thousand, two hundred twenty-one".