3022921 has 4 divisors (see below), whose sum is σ = 3297744. Its totient is φ = 2748100.

The previous prime is 3022909. The next prime is 3022933. The reversal of 3022921 is 1292203.

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 an interprime number because it is at equal distance from previous prime (3022909) and next prime (3022933).

It is a cyclic number.

It is not a de Polignac number, because 3022921 - 2¹¹ = 3020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3023921) 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, 137395 + ... + 137416.

It is an arithmetic number, because the mean of its divisors is an integer number (824436).

Almost surely, 2^3022921 is an apocalyptic number.

It is an amenable number.

3022921 is a deficient number, since it is larger than the sum of its proper divisors (274823).

3022921 is a wasteful number, since it uses less digits than its factorization.

3022921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274822.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3022921 is about 1738.6549398889. The cubic root of 3022921 is about 144.5913344427.

It can be divided in two parts, 302 and 2921, that added together give a palindrome (3223).

The spelling of 3022921 in words is "three million, twenty-two thousand, nine hundred twenty-one".