220221000238 has 4 divisors (see below), whose sum is σ = 330331500360. Its totient is φ = 110110500118.

The previous prime is 220221000169. The next prime is 220221000239. The reversal of 220221000238 is 832000122022.

It is a happy number.

220221000238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221000239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055250058 + ... + 55055250061.

It is an arithmetic number, because the mean of its divisors is an integer number (82582875090).

Almost surely, 2^220221000238 is an apocalyptic number.

220221000238 is a deficient number, since it is larger than the sum of its proper divisors (110110500122).

220221000238 is a wasteful number, since it uses less digits than its factorization.

220221000238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110110500121.

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 220221000238 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thirty-eight", and thus it is an aban number.