4221732 has 12 divisors (see below), whose sum is σ = 9850736. Its totient is φ = 1407240.

The previous prime is 4221713. The next prime is 4221751. The reversal of 4221732 is 2371224.

It is an interprime number because it is at equal distance from previous prime (4221713) and next prime (4221751).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 4221699 and 4221708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175894 + ... + 175917.

Almost surely, 2^4221732 is an apocalyptic number.

It is an amenable number.

4221732 is an abundant number, since it is smaller than the sum of its proper divisors (5629004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221732 is a wasteful number, since it uses less digits than its factorization.

4221732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351818 (or 351816 counting only the distinct ones).

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

The square root of 4221732 is about 2054.6853773753. The cubic root of 4221732 is about 161.6206640405.

Adding to 4221732 its reverse (2371224), we get a palindrome (6592956).

The spelling of 4221732 in words is "four million, two hundred twenty-one thousand, seven hundred thirty-two".