3544221403 has 4 divisors (see below), whose sum is σ = 3562777728. Its totient is φ = 3525665080.

The previous prime is 3544221389. The next prime is 3544221431. The reversal of 3544221403 is 3041224453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3544221403 - 2¹⁷ = 3544090331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3544221203) 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, 9277876 + ... + 9278257.

It is an arithmetic number, because the mean of its divisors is an integer number (890694432).

Almost surely, 2^3544221403 is an apocalyptic number.

3544221403 is a deficient number, since it is larger than the sum of its proper divisors (18556325).

3544221403 is a wasteful number, since it uses less digits than its factorization.

3544221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556324.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3544221403 is about 59533.3637803207. The cubic root of 3544221403 is about 1524.6621346647.

Adding to 3544221403 its reverse (3041224453), we get a palindrome (6585445856).

The spelling of 3544221403 in words is "three billion, five hundred forty-four million, two hundred twenty-one thousand, four hundred three".