22221134544434 has 64 divisors (see below), whose sum is σ = 38444522987520. Its totient is φ = 9435766878720.

The previous prime is 22221134544419. The next prime is 22221134544439. The reversal of 22221134544434 is 43444543112222.

It is a junction number, because it is equal to n+sod(n) for n = 22221134544391 and 22221134544400.

It is not an unprimeable number, because it can be changed into a prime (22221134544439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6924627422 + ... + 6924630630.

It is an arithmetic number, because the mean of its divisors is an integer number (600695671680).

Almost surely, 2^{22221134544434} is an apocalyptic number.

22221134544434 is a deficient number, since it is larger than the sum of its proper divisors (16223388443086).

22221134544434 is a wasteful number, since it uses less digits than its factorization.

22221134544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323.

The product of its digits is 737280, while the sum is 41.

Adding to 22221134544434 its reverse (43444543112222), we get a palindrome (65665677656656).

The spelling of 22221134544434 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred thirty-four million, five hundred forty-four thousand, four hundred thirty-four".