22013551143044 has 6 divisors (see below), whose sum is σ = 38523714500334. Its totient is φ = 11006775571520.

The previous prime is 22013551142993. The next prime is 22013551143047. The reversal of 22013551143044 is 44034115531022.

It can be written as a sum of positive squares in only one way, i.e., 19673997349444 + 2339553793600 = 4435538^2 + 1529560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22013551142995 and 22013551143013.

It is not an unprimeable number, because it can be changed into a prime (22013551143047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751693892877 + ... + 2751693892884.

It is an arithmetic number, because the mean of its divisors is an integer number (6420619083389).

Almost surely, 2^{22013551143044} is an apocalyptic number.

It is an amenable number.

22013551143044 is a deficient number, since it is larger than the sum of its proper divisors (16510163357290).

22013551143044 is a wasteful number, since it uses less digits than its factorization.

22013551143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503387785765 (or 5503387785763 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 22013551143044 its reverse (44034115531022), we get a palindrome (66047666674066).

The spelling of 22013551143044 in words is "twenty-two trillion, thirteen billion, five hundred fifty-one million, one hundred forty-three thousand, forty-four".