2267221 has 8 divisors (see below), whose sum is σ = 2505600. Its totient is φ = 2034240.

The previous prime is 2267219. The next prime is 2267227. The reversal of 2267221 is 1227622.

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

It is a cyclic number.

It is not a de Polignac number, because 2267221 - 2¹ = 2267219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2267192 and 2267201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267227) 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, 436 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (313200).

2^2267221 is an apocalyptic number.

It is an amenable number.

2267221 is a deficient number, since it is larger than the sum of its proper divisors (238379).

2267221 is a wasteful number, since it uses less digits than its factorization.

2267221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its digits is 672, while the sum is 22.

The square root of 2267221 is about 1505.7293913582. The cubic root of 2267221 is about 131.3705299458.

It can be divided in two parts, 226 and 7221, that added together give a palindrome (7447).

The spelling of 2267221 in words is "two million, two hundred sixty-seven thousand, two hundred twenty-one".