4221797 has 8 divisors (see below), whose sum is σ = 4614912. Its totient is φ = 3844800.

The previous prime is 4221787. The next prime is 4221799. The reversal of 4221797 is 7971224.

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 4221797 - 2⁸ = 4221541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221799) 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, 3479 + ... + 4532.

It is an arithmetic number, because the mean of its divisors is an integer number (576864).

Almost surely, 2^4221797 is an apocalyptic number.

It is an amenable number.

4221797 is a deficient number, since it is larger than the sum of its proper divisors (393115).

4221797 is a wasteful number, since it uses less digits than its factorization.

4221797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059.

The product of its digits is 7056, while the sum is 32.

The square root of 4221797 is about 2054.7011948213. The cubic root of 4221797 is about 161.6214935018.

The spelling of 4221797 in words is "four million, two hundred twenty-one thousand, seven hundred ninety-seven".