4421237 has 2 divisors, whose sum is σ = 4421238. Its totient is φ = 4421236.

The previous prime is 4421227. The next prime is 4421257. The reversal of 4421237 is 7321244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4268356 + 152881 = 2066^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421237 - 2¹² = 4417141 is a prime.

It is a super-2 number, since 2×4421237² = 39094673220338, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421227) 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, 2210618 + 2210619.

It is an arithmetic number, because the mean of its divisors is an integer number (2210619).

Almost surely, 2^4421237 is an apocalyptic number.

It is an amenable number.

4421237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421237 is an equidigital number, since it uses as much as digits as its factorization.

4421237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 4421237 is about 2102.6737740315. The cubic root of 4421237 is about 164.1274663404.

The spelling of 4421237 in words is "four million, four hundred twenty-one thousand, two hundred thirty-seven".