4221203234 has 4 divisors (see below), whose sum is σ = 6331804854. Its totient is φ = 2110601616.

The previous prime is 4221203197. The next prime is 4221203249. The reversal of 4221203234 is 4323021224.

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., 4089986209 + 131217025 = 63953^2 + 11455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055300807 + ... + 1055300810.

Almost surely, 2^4221203234 is an apocalyptic number.

4221203234 is a deficient number, since it is larger than the sum of its proper divisors (2110601620).

4221203234 is a wasteful number, since it uses less digits than its factorization.

4221203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110601619.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4221203234 is about 64970.7875433260. The cubic root of 4221203234 is about 1616.1391617181.

Adding to 4221203234 its reverse (4323021224), we get a palindrome (8544224458).

The spelling of 4221203234 in words is "four billion, two hundred twenty-one million, two hundred three thousand, two hundred thirty-four".