4221237 has 8 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 2745440.

The previous prime is 4221229. The next prime is 4221247. The reversal of 4221237 is 7321224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4221237 - 2³ = 4221229 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁵ + 2¹¹ + 2¹⁹ + 1 + 2²¹ + 3¹³ + 7⁴ .

4221237 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17037 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^4221237 is an apocalyptic number.

It is an amenable number.

4221237 is a deficient number, since it is larger than the sum of its proper divisors (1544523).

4221237 is a wasteful number, since it uses less digits than its factorization.

4221237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34363.

The product of its digits is 672, while the sum is 21.

The square root of 4221237 is about 2054.5649174460. The cubic root of 4221237 is about 161.6143470948.

The spelling of 4221237 in words is "four million, two hundred twenty-one thousand, two hundred thirty-seven".