22124304550513 has 6 divisors (see below), whose sum is σ = 24318450456482. Its totient is φ = 20113004136720.

The previous prime is 22124304550471. The next prime is 22124304550559. The reversal of 22124304550513 is 31505540342122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19669730593249 + 2454573957264 = 4435057^2 + 1566708^2 .

It is not a de Polignac number, because 22124304550513 - 2²⁵ = 22124270996081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124304551513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91422745956 + ... + 91422746197.

Almost surely, 2^{22124304550513} is an apocalyptic number.

It is an amenable number.

22124304550513 is a deficient number, since it is larger than the sum of its proper divisors (2194145905969).

22124304550513 is a wasteful number, since it uses less digits than its factorization.

22124304550513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182845492175 (or 182845492164 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 22124304550513 its reverse (31505540342122), we get a palindrome (53629844892635).

The spelling of 22124304550513 in words is "twenty-two trillion, one hundred twenty-four billion, three hundred four million, five hundred fifty thousand, five hundred thirteen".