222444244021 has 8 divisors (see below), whose sum is σ = 223133824224. Its totient is φ = 221754770160.

The previous prime is 222444244019. The next prime is 222444244049. The reversal of 222444244021 is 120442444222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222444244021 - 2¹ = 222444244019 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 (222444244051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7042155 + ... + 7073671.

It is an arithmetic number, because the mean of its divisors is an integer number (27891728028).

Almost surely, 2^222444244021 is an apocalyptic number.

It is an amenable number.

222444244021 is a deficient number, since it is larger than the sum of its proper divisors (689580203).

222444244021 is a wasteful number, since it uses less digits than its factorization.

222444244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53171.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 222444244021 its reverse (120442444222), we get a palindrome (342886688243).

The spelling of 222444244021 in words is "two hundred twenty-two billion, four hundred forty-four million, two hundred forty-four thousand, twenty-one".