3344532221 has 4 divisors (see below), whose sum is σ = 3365835132. Its totient is φ = 3323229312.

The previous prime is 3344532203. The next prime is 3344532251. The reversal of 3344532221 is 1222354433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222354433 = 359 ⋅3404887.

It can be written as a sum of positive squares in 2 ways, for example, as 2251502500 + 1093029721 = 47450^2 + 33061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3344532221 is a prime.

It is a super-2 number, since 2×3344532221² = 22371791554614385682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344532251) 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, 10651220 + ... + 10651533.

It is an arithmetic number, because the mean of its divisors is an integer number (841458783).

Almost surely, 2^3344532221 is an apocalyptic number.

It is an amenable number.

3344532221 is a deficient number, since it is larger than the sum of its proper divisors (21302911).

3344532221 is a wasteful number, since it uses less digits than its factorization.

3344532221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302910.

The product of its digits is 17280, while the sum is 29.

The square root of 3344532221 is about 57831.9308081617. The cubic root of 3344532221 is about 1495.4726038337.

Adding to 3344532221 its reverse (1222354433), we get a palindrome (4566886654).

The spelling of 3344532221 in words is "three billion, three hundred forty-four million, five hundred thirty-two thousand, two hundred twenty-one".