4221973 has 8 divisors (see below), whose sum is σ = 4848192. Its totient is φ = 3601536.

The previous prime is 4221953. The next prime is 4221977. The reversal of 4221973 is 3791224.

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 4221973 - 2⁵ = 4221941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221977) 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, 261 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (606024).

Almost surely, 2^4221973 is an apocalyptic number.

It is an amenable number.

4221973 is a deficient number, since it is larger than the sum of its proper divisors (626219).

4221973 is a wasteful number, since it uses less digits than its factorization.

4221973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 3024, while the sum is 28.

The square root of 4221973 is about 2054.7440229868. The cubic root of 4221973 is about 161.6237393849.

The spelling of 4221973 in words is "four million, two hundred twenty-one thousand, nine hundred seventy-three".