22115017124 has 6 divisors (see below), whose sum is σ = 38701279974. Its totient is φ = 11057508560.

The previous prime is 22115017091. The next prime is 22115017129. The reversal of 22115017124 is 42171051122.

It can be written as a sum of positive squares in only one way, i.e., 21691398400 + 423618724 = 147280^2 + 20582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22115017093 and 22115017102.

It is not an unprimeable number, because it can be changed into a prime (22115017129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764377137 + ... + 2764377144.

It is an arithmetic number, because the mean of its divisors is an integer number (6450213329).

Almost surely, 2^22115017124 is an apocalyptic number.

It is an amenable number.

22115017124 is a deficient number, since it is larger than the sum of its proper divisors (16586262850).

22115017124 is a wasteful number, since it uses less digits than its factorization.

22115017124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528754285 (or 5528754283 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 22115017124 its reverse (42171051122), we get a palindrome (64286068246).

The spelling of 22115017124 in words is "twenty-two billion, one hundred fifteen million, seventeen thousand, one hundred twenty-four".