222321204240442 has 16 divisors (see below), whose sum is σ = 334731203352000. Its totient is φ = 110744514893440.

The previous prime is 222321204240431. The next prime is 222321204240467. The reversal of 222321204240442 is 244042402123222.

It is a junction number, because it is equal to n+sod(n) for n = 222321204240398 and 222321204240407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93433192 + ... + 95783107.

It is an arithmetic number, because the mean of its divisors is an integer number (20920700209500).

Almost surely, 2^{222321204240442} is an apocalyptic number.

222321204240442 is a deficient number, since it is larger than the sum of its proper divisors (112409999111558).

222321204240442 is a wasteful number, since it uses less digits than its factorization.

222321204240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189218501.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 222321204240442 its reverse (244042402123222), we get a palindrome (466363606363664).

The spelling of 222321204240442 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, two hundred four million, two hundred forty thousand, four hundred forty-two".