221444444122 has 8 divisors (see below), whose sum is σ = 362363635872. Its totient is φ = 100656565500.

The previous prime is 221444444113. The next prime is 221444444171.

221444444122 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032828254 + ... + 5032828297.

It is an arithmetic number, because the mean of its divisors is an integer number (45295454484).

Almost surely, 2^221444444122 is an apocalyptic number.

221444444122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221444444122 is a deficient number, since it is larger than the sum of its proper divisors (140919191750).

221444444122 is a wasteful number, since it uses less digits than its factorization.

221444444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065656564.

The product of its digits is 65536, while the sum is 34.

It can be divided in two parts, 221444 and 444122, that added together give a palindrome (665566).

The spelling of 221444444122 in words is "two hundred twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, one hundred twenty-two".