3544066221 has 16 divisors (see below), whose sum is σ = 4849627200. Its totient is φ = 2301343488.

The previous prime is 3544066193. The next prime is 3544066223. The reversal of 3544066221 is 1226604453.

It is not a de Polignac number, because 3544066221 - 2⁵ = 3544066189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3544066223) 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, 72556 + ... + 111141.

It is an arithmetic number, because the mean of its divisors is an integer number (303101700).

Almost surely, 2^3544066221 is an apocalyptic number.

It is an amenable number.

3544066221 is a deficient number, since it is larger than the sum of its proper divisors (1305560979).

3544066221 is a wasteful number, since it uses less digits than its factorization.

3544066221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183868.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3544066221 is about 59532.0604464519. The cubic root of 3544066221 is about 1524.6398821447.

The spelling of 3544066221 in words is "three billion, five hundred forty-four million, sixty-six thousand, two hundred twenty-one".