22122120044 has 24 divisors (see below), whose sum is σ = 40115496960. Its totient is φ = 10667062224.

The previous prime is 22122120019. The next prime is 22122120049. The reversal of 22122120044 is 44002122122.

It is a super-2 number, since 2×22122120044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22122119998 and 22122120025.

It is not an unprimeable number, because it can be changed into a prime (22122120049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800444 + ... + 827619.

It is an arithmetic number, because the mean of its divisors is an integer number (1671479040).

Almost surely, 2^22122120044 is an apocalyptic number.

It is an amenable number.

22122120044 is a deficient number, since it is larger than the sum of its proper divisors (17993376916).

22122120044 is a wasteful number, since it uses less digits than its factorization.

22122120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628189 (or 1628187 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22122120044 its reverse (44002122122), we get a palindrome (66124242166).

The spelling of 22122120044 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, forty-four".