4712222221 has 8 divisors (see below), whose sum is σ = 5619544704. Its totient is φ = 3863436720.

The previous prime is 4712222201. The next prime is 4712222269. The reversal of 4712222221 is 1222222174.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4712222221 - 2³¹ = 2564738573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4712222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14634070 + ... + 14634391.

It is an arithmetic number, because the mean of its divisors is an integer number (702443088).

Almost surely, 2^4712222221 is an apocalyptic number.

It is an amenable number.

4712222221 is a deficient number, since it is larger than the sum of its proper divisors (907322483).

4712222221 is a wasteful number, since it uses less digits than its factorization.

4712222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29268491.

The product of its digits is 1792, while the sum is 25.

The square root of 4712222221 is about 68645.6278360101. The cubic root of 4712222221 is about 1676.5194168428.

Adding to 4712222221 its reverse (1222222174), we get a palindrome (5934444395).

The spelling of 4712222221 in words is "four billion, seven hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".