222122441 has 4 divisors (see below), whose sum is σ = 222159300. Its totient is φ = 222085584.

The previous prime is 222122437. The next prime is 222122449. The reversal of 222122441 is 144221222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53875600 + 168246841 = 7340^2 + 12971^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122441 - 2² = 222122437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7046 + ... + 22223.

It is an arithmetic number, because the mean of its divisors is an integer number (55539825).

Almost surely, 2^222122441 is an apocalyptic number.

It is an amenable number.

222122441 is a deficient number, since it is larger than the sum of its proper divisors (36859).

222122441 is an equidigital number, since it uses as much as digits as its factorization.

222122441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36858.

The product of its digits is 512, while the sum is 20.

The square root of 222122441 is about 14903.7727102905. The cubic root of 222122441 is about 605.6161934483.

Adding to 222122441 its reverse (144221222), we get a palindrome (366343663).

The spelling of 222122441 in words is "two hundred twenty-two million, one hundred twenty-two thousand, four hundred forty-one".