222221141 has 4 divisors (see below), whose sum is σ = 222465984. Its totient is φ = 221976300.

The previous prime is 222221137. The next prime is 222221143. The reversal of 222221141 is 141122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222221141 - 2² = 222221137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121055 + ... + 122876.

It is an arithmetic number, because the mean of its divisors is an integer number (55616496).

Almost surely, 2^222221141 is an apocalyptic number.

It is an amenable number.

222221141 is a deficient number, since it is larger than the sum of its proper divisors (244843).

222221141 is an equidigital number, since it uses as much as digits as its factorization.

222221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244842.

The product of its digits is 128, while the sum is 17.

The square root of 222221141 is about 14907.0835846587. The cubic root of 222221141 is about 605.7058819202.

Adding to 222221141 its reverse (141122222), we get a palindrome (363343363).

The spelling of 222221141 in words is "two hundred twenty-two million, two hundred twenty-one thousand, one hundred forty-one".