4221633226 has 4 divisors (see below), whose sum is σ = 6332449842. Its totient is φ = 2110816612.

The previous prime is 4221633193. The next prime is 4221633257. The reversal of 4221633226 is 6223361224.

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., 2298723025 + 1922910201 = 47945^2 + 43851^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055408305 + ... + 1055408308.

Almost surely, 2^4221633226 is an apocalyptic number.

4221633226 is a deficient number, since it is larger than the sum of its proper divisors (2110816616).

4221633226 is a wasteful number, since it uses less digits than its factorization.

4221633226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110816615.

The product of its digits is 20736, while the sum is 31.

The square root of 4221633226 is about 64974.0965770206. The cubic root of 4221633226 is about 1616.1940357494.

The spelling of 4221633226 in words is "four billion, two hundred twenty-one million, six hundred thirty-three thousand, two hundred twenty-six".