4221267 has 12 divisors (see below), whose sum is σ = 5769864. Its totient is φ = 2745120.

The previous prime is 4221263. The next prime is 4221271. The reversal of 4221267 is 7621224.

It is an interprime number because it is at equal distance from previous prime (4221263) and next prime (4221271).

It is not a de Polignac number, because 4221267 - 2² = 4221263 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

4221267 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4221263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5167 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (480822).

Almost surely, 2^4221267 is an apocalyptic number.

4221267 is a deficient number, since it is larger than the sum of its proper divisors (1548597).

4221267 is an equidigital number, since it uses as much as digits as its factorization.

4221267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 807 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 4221267 is about 2054.5722182488. The cubic root of 4221267 is about 161.6147299541.

The spelling of 4221267 in words is "four million, two hundred twenty-one thousand, two hundred sixty-seven".