3021222021 has 4 divisors (see below), whose sum is σ = 4028296032. Its totient is φ = 2014148012.

The previous prime is 3021221941. The next prime is 3021222023. The reversal of 3021222021 is 1202221203.

It is a happy number.

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 3021222021 - 2¹⁵ = 3021189253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503537001 + ... + 503537006.

It is an arithmetic number, because the mean of its divisors is an integer number (1007074008).

Almost surely, 2^3021222021 is an apocalyptic number.

It is an amenable number.

3021222021 is a deficient number, since it is larger than the sum of its proper divisors (1007074011).

3021222021 is a wasteful number, since it uses less digits than its factorization.

3021222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007074010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3021222021 is about 54965.6440060516. The cubic root of 3021222021 is about 1445.6424103669.

Adding to 3021222021 its reverse (1202221203), we get a palindrome (4223443224).

The spelling of 3021222021 in words is "three billion, twenty-one million, two hundred twenty-two thousand, twenty-one".