3042403221 has 32 divisors (see below), whose sum is σ = 4778750592. Its totient is φ = 1697391360.

The previous prime is 3042403127. The next prime is 3042403241. The reversal of 3042403221 is 1223042403.

It is not a de Polignac number, because 3042403221 - 2⁷ = 3042403093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042403241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150511 + ... + 169523.

It is an arithmetic number, because the mean of its divisors is an integer number (149335956).

Almost surely, 2^3042403221 is an apocalyptic number.

It is an amenable number.

3042403221 is a deficient number, since it is larger than the sum of its proper divisors (1736347371).

3042403221 is a wasteful number, since it uses less digits than its factorization.

3042403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3042403221 is about 55157.9841999325. The cubic root of 3042403221 is about 1449.0129185298.

Adding to 3042403221 its reverse (1223042403), we get a palindrome (4265445624).

The spelling of 3042403221 in words is "three billion, forty-two million, four hundred three thousand, two hundred twenty-one".