4222332021 has 4 divisors (see below), whose sum is σ = 5629776032. Its totient is φ = 2814888012.

The previous prime is 4222331963. The next prime is 4222332073. The reversal of 4222332021 is 1202332224.

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 not a de Polignac number, because 4222332021 - 2¹¹ = 4222329973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222432021) 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, 703722001 + ... + 703722006.

It is an arithmetic number, because the mean of its divisors is an integer number (1407444008).

Almost surely, 2^4222332021 is an apocalyptic number.

It is an amenable number.

4222332021 is a deficient number, since it is larger than the sum of its proper divisors (1407444011).

4222332021 is a wasteful number, since it uses less digits than its factorization.

4222332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407444010.

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

The square root of 4222332021 is about 64979.4738436685. The cubic root of 4222332021 is about 1616.2832055045.

Adding to 4222332021 its reverse (1202332224), we get a palindrome (5424664245).

The spelling of 4222332021 in words is "four billion, two hundred twenty-two million, three hundred thirty-two thousand, twenty-one".