22613836538 has 8 divisors (see below), whose sum is σ = 35014972800. Its totient is φ = 10942178940.

The previous prime is 22613836519. The next prime is 22613836547. The reversal of 22613836538 is 83563831622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22613836538² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22613836492 and 22613836501.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 182369588 + ... + 182369711.

It is an arithmetic number, because the mean of its divisors is an integer number (4376871600).

Almost surely, 2^22613836538 is an apocalyptic number.

22613836538 is a deficient number, since it is larger than the sum of its proper divisors (12401136262).

22613836538 is a wasteful number, since it uses less digits than its factorization.

22613836538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364739332.

The product of its digits is 1244160, while the sum is 47.

The spelling of 22613836538 in words is "twenty-two billion, six hundred thirteen million, eight hundred thirty-six thousand, five hundred thirty-eight".