22122320044 has 12 divisors (see below), whose sum is σ = 42233520168. Its totient is φ = 10055600000.

The previous prime is 22122320041. The next prime is 22122320047. The reversal of 22122320044 is 44002322122.

It is an interprime number because it is at equal distance from previous prime (22122320041) and next prime (22122320047).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22122319997 and 22122320024.

It is not an unprimeable number, because it can be changed into a prime (22122320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251389957 + ... + 251390044.

It is an arithmetic number, because the mean of its divisors is an integer number (3519460014).

Almost surely, 2^22122320044 is an apocalyptic number.

It is an amenable number.

22122320044 is a deficient number, since it is larger than the sum of its proper divisors (20111200124).

22122320044 is a wasteful number, since it uses less digits than its factorization.

22122320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502780016 (or 502780014 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22122320044 its reverse (44002322122), we get a palindrome (66124642166).

The spelling of 22122320044 in words is "twenty-two billion, one hundred twenty-two million, three hundred twenty thousand, forty-four".