4221793 has 4 divisors (see below), whose sum is σ = 4259268. Its totient is φ = 4184320.

The previous prime is 4221787. The next prime is 4221799. The reversal of 4221793 is 3971224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4221787) and next prime (4221799).

It can be written as a sum of positive squares in 2 ways, for example, as 1183744 + 3038049 = 1088^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221793 - 2⁵ = 4221761 is a prime.

It is a super-2 number, since 2×4221793² = 35647072269698, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 18568 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (1064817).

Almost surely, 2^4221793 is an apocalyptic number.

It is an amenable number.

4221793 is a deficient number, since it is larger than the sum of its proper divisors (37475).

4221793 is a wasteful number, since it uses less digits than its factorization.

4221793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37474.

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

The square root of 4221793 is about 2054.7002214435. The cubic root of 4221793 is about 161.6214424583.

The spelling of 4221793 in words is "four million, two hundred twenty-one thousand, seven hundred ninety-three".