2227943 has 2 divisors, whose sum is σ = 2227944. Its totient is φ = 2227942.

The previous prime is 2227919. The next prime is 2227963. The reversal of 2227943 is 3497222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227943 is a prime.

It is a super-2 number, since 2×2227943² = 9927460022498, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁴ + 2²⁰ + 2²⁰ + 7⁶ + 9⁴ + 4 + 3⁸ .

It is equal to p₁₆₄₅₇₆ and since 2227943 and 164576 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113971 + 1113972.

It is an arithmetic number, because the mean of its divisors is an integer number (1113972).

2^2227943 is an apocalyptic number.

2227943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227943 is an equidigital number, since it uses as much as digits as its factorization.

2227943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 2227943 is about 1492.6295588658. The cubic root of 2227943 is about 130.6074725229.

It can be divided in two parts, 22279 and 43, that added together give a palindrome (22322).

The spelling of 2227943 in words is "two million, two hundred twenty-seven thousand, nine hundred forty-three".