220222331 has 8 divisors (see below), whose sum is σ = 264929280. Its totient is φ = 178827048.

The previous prime is 220222283. The next prime is 220222337. The reversal of 220222331 is 133222022.

220222331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220222331 is a prime.

It is a super-2 number, since 2×220222331² = 96995750142147122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220222337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827771 + ... + 828036.

It is an arithmetic number, because the mean of its divisors is an integer number (33116160).

Almost surely, 2^220222331 is an apocalyptic number.

220222331 is a deficient number, since it is larger than the sum of its proper divisors (44706949).

220222331 is a wasteful number, since it uses less digits than its factorization.

220222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655833.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220222331 is about 14839.8898580818. The cubic root of 220222331 is about 603.8843643300.

Adding to 220222331 its reverse (133222022), we get a palindrome (353444353).

The spelling of 220222331 in words is "two hundred twenty million, two hundred twenty-two thousand, three hundred thirty-one".