22101222032444 has 6 divisors (see below), whose sum is σ = 38677138556784. Its totient is φ = 11050611016220.

The previous prime is 22101222032413. The next prime is 22101222032447. The reversal of 22101222032444 is 44423022210122.

It is a super-2 number, since 2×22101222032444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101222032447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762652754052 + ... + 2762652754059.

It is an arithmetic number, because the mean of its divisors is an integer number (6446189759464).

Almost surely, 2^{22101222032444} is an apocalyptic number.

It is an amenable number.

22101222032444 is a deficient number, since it is larger than the sum of its proper divisors (16575916524340).

22101222032444 is a wasteful number, since it uses less digits than its factorization.

22101222032444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525305508115 (or 5525305508113 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 22101222032444 its reverse (44423022210122), we get a palindrome (66524244242566).

The spelling of 22101222032444 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-two million, thirty-two thousand, four hundred forty-four".