4221004033 has 4 divisors (see below), whose sum is σ = 4443162160. Its totient is φ = 3998845908.

The previous prime is 4221004003. The next prime is 4221004211. The reversal of 4221004033 is 3304001224.

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 a de Polignac number, because none of the positive numbers 2^k-4221004033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 222158107 = 4221004033 / (4 + 2 + 2 + 1 + 0 + 0 + 4 + 0 + 3 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 4221004033.

It is not an unprimeable number, because it can be changed into a prime (4221004003) 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 3 ways as a sum of consecutive naturals, for example, 111079035 + ... + 111079072.

It is an arithmetic number, because the mean of its divisors is an integer number (1110790540).

Almost surely, 2^4221004033 is an apocalyptic number.

It is an amenable number.

4221004033 is a deficient number, since it is larger than the sum of its proper divisors (222158127).

4221004033 is a wasteful number, since it uses less digits than its factorization.

4221004033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222158126.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4221004033 is about 64969.2545208886. The cubic root of 4221004033 is about 1616.1137391404.

Adding to 4221004033 its reverse (3304001224), we get a palindrome (7525005257).

The spelling of 4221004033 in words is "four billion, two hundred twenty-one million, four thousand, thirty-three".