222223641 has 16 divisors (see below), whose sum is σ = 299956800. Its totient is φ = 146328768.

The previous prime is 222223637. The next prime is 222223669. The reversal of 222223641 is 146322222.

It is a happy number.

It is not a de Polignac number, because 222223641 - 2² = 222223637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222223241) 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 15 ways as a sum of consecutive naturals, for example, 126330 + ... + 128076.

It is an arithmetic number, because the mean of its divisors is an integer number (18747300).

Almost surely, 2^222223641 is an apocalyptic number.

It is an amenable number.

222223641 is a deficient number, since it is larger than the sum of its proper divisors (77733159).

222223641 is a wasteful number, since it uses less digits than its factorization.

222223641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its digits is 2304, while the sum is 24.

The square root of 222223641 is about 14907.1674371760. The cubic root of 222223641 is about 605.7081533198.

Adding to 222223641 its reverse (146322222), we get a palindrome (368545863).

The spelling of 222223641 in words is "two hundred twenty-two million, two hundred twenty-three thousand, six hundred forty-one".