2214221144444 has 6 divisors (see below), whose sum is σ = 3874887002784. Its totient is φ = 1107110572220.

The previous prime is 2214221144437. The next prime is 2214221144459. The reversal of 2214221144444 is 4444411224122.

It is a super-2 number, since 2×2214221144444² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276777643052 + ... + 276777643059.

It is an arithmetic number, because the mean of its divisors is an integer number (645814500464).

Almost surely, 2^{2214221144444} is an apocalyptic number.

It is an amenable number.

2214221144444 is a deficient number, since it is larger than the sum of its proper divisors (1660665858340).

2214221144444 is a wasteful number, since it uses less digits than its factorization.

2214221144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553555286115 (or 553555286113 counting only the distinct ones).

The product of its digits is 65536, while the sum is 35.

Adding to 2214221144444 its reverse (4444411224122), we get a palindrome (6658632368566).

The spelling of 2214221144444 in words is "two trillion, two hundred fourteen billion, two hundred twenty-one million, one hundred forty-four thousand, four hundred forty-four".