222213042334442 has 16 divisors (see below), whose sum is σ = 337905902781960. Its totient is φ = 109577924451072.

The previous prime is 222213042334411. The next prime is 222213042334453. The reversal of 222213042334442 is 244433240312222.

It can be written as a sum of positive squares in 4 ways, for example, as 204352199822761 + 17860842511681 = 14295181^2 + 4226209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222213042334396 and 222213042334405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43324217 + ... + 48181052.

Almost surely, 2^{222213042334442} is an apocalyptic number.

222213042334442 is a deficient number, since it is larger than the sum of its proper divisors (115692860447518).

222213042334442 is a wasteful number, since it uses less digits than its factorization.

222213042334442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91521977.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 222213042334442 its reverse (244433240312222), we get a palindrome (466646282646664).

The spelling of 222213042334442 in words is "two hundred twenty-two trillion, two hundred thirteen billion, forty-two million, three hundred thirty-four thousand, four hundred forty-two".