4220221234 has 8 divisors (see below), whose sum is σ = 6388408620. Its totient is φ = 2090751696.

The previous prime is 4220221223. The next prime is 4220221249. The reversal of 4220221234 is 4321220224.

It can be written as a sum of positive squares in 2 ways, for example, as 4039238025 + 180983209 = 63555^2 + 13453^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9679189 + ... + 9679624.

Almost surely, 2^4220221234 is an apocalyptic number.

4220221234 is a deficient number, since it is larger than the sum of its proper divisors (2168187386).

4220221234 is a wasteful number, since it uses less digits than its factorization.

4220221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19358924.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4220221234 is about 64963.2298612069. The cubic root of 4220221234 is about 1616.0138284381.

Adding to 4220221234 its reverse (4321220224), we get a palindrome (8541441458).

It can be divided in two parts, 42202 and 21234, that added together give a palindrome (63436).

The spelling of 4220221234 in words is "four billion, two hundred twenty million, two hundred twenty-one thousand, two hundred thirty-four".