4221432052 has 24 divisors (see below), whose sum is σ = 7780764096. Its totient is φ = 2000072448.

The previous prime is 4221432013. The next prime is 4221432073. The reversal of 4221432052 is 2502341224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204573 + ... + 224260.

It is an arithmetic number, because the mean of its divisors is an integer number (324198504).

Almost surely, 2^4221432052 is an apocalyptic number.

It is an amenable number.

4221432052 is a deficient number, since it is larger than the sum of its proper divisors (3559332044).

4221432052 is a wasteful number, since it uses less digits than its factorization.

4221432052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428967 (or 428965 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4221432052 is about 64972.5484493259. The cubic root of 4221432052 is about 1616.1683631115.

Adding to 4221432052 its reverse (2502341224), we get a palindrome (6723773276).

The spelling of 4221432052 in words is "four billion, two hundred twenty-one million, four hundred thirty-two thousand, fifty-two".