3022221 has 8 divisors (see below), whose sum is σ = 4159744. Its totient is φ = 1949760.

The previous prime is 3022211. The next prime is 3022237. The reversal of 3022221 is 1222203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3022221 - 2⁵ = 3022189 is a prime.

It is a Duffinian number.

3022221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3022197 and 3022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16156 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (519968).

Almost surely, 2^3022221 is an apocalyptic number.

3022221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3022221 is a deficient number, since it is larger than the sum of its proper divisors (1137523).

3022221 is a wasteful number, since it uses less digits than its factorization.

3022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32531.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3022221 is about 1738.4536231951. The cubic root of 3022221 is about 144.5801728600.

Adding to 3022221 its reverse (1222203), we get a palindrome (4244424).

The spelling of 3022221 in words is "three million, twenty-two thousand, two hundred twenty-one".