4221533234 has 4 divisors (see below), whose sum is σ = 6332299854. Its totient is φ = 2110766616.

The previous prime is 4221533233. The next prime is 4221533257. The reversal of 4221533234 is 4323351224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3789018025 + 432515209 = 61555^2 + 20797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4221533197 and 4221533206.

It is not an unprimeable number, because it can be changed into a prime (4221533231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055383307 + ... + 1055383310.

Almost surely, 2^4221533234 is an apocalyptic number.

4221533234 is a deficient number, since it is larger than the sum of its proper divisors (2110766620).

4221533234 is a wasteful number, since it uses less digits than its factorization.

4221533234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110766619.

The product of its digits is 17280, while the sum is 29.

The square root of 4221533234 is about 64973.3270965863. The cubic root of 4221533234 is about 1616.1812754628.

Adding to 4221533234 its reverse (4323351224), we get a palindrome (8544884458).

The spelling of 4221533234 in words is "four billion, two hundred twenty-one million, five hundred thirty-three thousand, two hundred thirty-four".