2229917 has 2 divisors, whose sum is σ = 2229918. Its totient is φ = 2229916.

The previous prime is 2229893. The next prime is 2229943. The reversal of 2229917 is 7199222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1623076 + 606841 = 1274^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229917 - 2⁶ = 2229853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2229967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114958 + 1114959.

It is an arithmetic number, because the mean of its divisors is an integer number (1114959).

2^2229917 is an apocalyptic number.

It is an amenable number.

2229917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229917 is an equidigital number, since it uses as much as digits as its factorization.

2229917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 2229917 is about 1493.2906615927. The cubic root of 2229917 is about 130.6460347069.

The spelling of 2229917 in words is "two million, two hundred twenty-nine thousand, nine hundred seventeen".