4221432051 has 8 divisors (see below), whose sum is σ = 5646911424. Its totient is φ = 2805120360.

The previous prime is 4221432013. The next prime is 4221432073. The reversal of 4221432051 is 1502341224.

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

It is not a de Polignac number, because 4221432051 - 2⁷ = 4221431923 is a prime.

It is a super-2 number, since 2×4221432051² = 35640977122420133202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4221432151) 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, 2290845 + ... + 2292686.

It is an arithmetic number, because the mean of its divisors is an integer number (705863928).

Almost surely, 2^4221432051 is an apocalyptic number.

4221432051 is a deficient number, since it is larger than the sum of its proper divisors (1425479373).

4221432051 is a wasteful number, since it uses less digits than its factorization.

4221432051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583841.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4221432051 is about 64972.5484416303. The cubic root of 4221432051 is about 1616.1683629839.

Adding to 4221432051 its reverse (1502341224), we get a palindrome (5723773275).

The spelling of 4221432051 in words is "four billion, two hundred twenty-one million, four hundred thirty-two thousand, fifty-one".