2227321 has 2 divisors, whose sum is σ = 2227322. Its totient is φ = 2227320.

The previous prime is 2227307. The next prime is 2227327. The reversal of 2227321 is 1237222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 881721 = 1160^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227321 - 2⁷ = 2227193 is a prime.

It is a super-4 number, since 4×2227321⁴ (a number of 26 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2227327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113660 + 1113661.

It is an arithmetic number, because the mean of its divisors is an integer number (1113661).

2^2227321 is an apocalyptic number.

It is an amenable number.

2227321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227321 is an equidigital number, since it uses as much as digits as its factorization.

2227321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 2227321 is about 1492.4211871988. The cubic root of 2227321 is about 130.5953170041.

Subtracting from 2227321 its reverse (1237222), we obtain a palindrome (990099).

The spelling of 2227321 in words is "two million, two hundred twenty-seven thousand, three hundred twenty-one".