4233142221 has 64 divisors (see below), whose sum is σ = 7436697600. Its totient is φ = 2075025600.

The previous prime is 4233142217. The next prime is 4233142247. The reversal of 4233142221 is 1222413324.

It is a happy number.

It is not a de Polignac number, because 4233142221 - 2² = 4233142217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4233142191 and 4233142200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233142201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1187640 + ... + 1191198.

It is an arithmetic number, because the mean of its divisors is an integer number (116198400).

Almost surely, 2^4233142221 is an apocalyptic number.

It is an amenable number.

4233142221 is a deficient number, since it is larger than the sum of its proper divisors (3203555379).

4233142221 is a wasteful number, since it uses less digits than its factorization.

4233142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870.

The product of its digits is 2304, while the sum is 24.

The square root of 4233142221 is about 65062.6023226861. The cubic root of 4233142221 is about 1617.6613897748.

Adding to 4233142221 its reverse (1222413324), we get a palindrome (5455555545).

The spelling of 4233142221 in words is "four billion, two hundred thirty-three million, one hundred forty-two thousand, two hundred twenty-one".