4221682 has 8 divisors (see below), whose sum is σ = 6365916. Its totient is φ = 2099712.

The previous prime is 4221677. The next prime is 4221683. The reversal of 4221682 is 2861224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 96721 = 2031^2 + 311^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4221683) 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, 5083 + ... + 5854.

Almost surely, 2^4221682 is an apocalyptic number.

4221682 is a deficient number, since it is larger than the sum of its proper divisors (2144234).

4221682 is a wasteful number, since it uses less digits than its factorization.

4221682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132.

The product of its digits is 1536, while the sum is 25.

The square root of 4221682 is about 2054.6732100264. The cubic root of 4221682 is about 161.6200259876.

The spelling of 4221682 in words is "four million, two hundred twenty-one thousand, six hundred eighty-two".