3430142221 has 4 divisors (see below), whose sum is σ = 3741973344. Its totient is φ = 3118311100.

The previous prime is 3430142201. The next prime is 3430142231. The reversal of 3430142221 is 1222410343.

3430142221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3430142221 - 2¹⁷ = 3430011149 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3430142192 and 3430142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430142201) 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, 155915545 + ... + 155915566.

It is an arithmetic number, because the mean of its divisors is an integer number (935493336).

Almost surely, 2^3430142221 is an apocalyptic number.

It is an amenable number.

3430142221 is a deficient number, since it is larger than the sum of its proper divisors (311831123).

3430142221 is a wasteful number, since it uses less digits than its factorization.

3430142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311831122.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3430142221 is about 58567.4160348568. The cubic root of 3430142221 is about 1508.1251266700.

Adding to 3430142221 its reverse (1222410343), we get a palindrome (4652552564).

The spelling of 3430142221 in words is "three billion, four hundred thirty million, one hundred forty-two thousand, two hundred twenty-one".