22145320124 has 12 divisors (see below), whose sum is σ = 39130566384. Its totient is φ = 10965158304.

The previous prime is 22145320123. The next prime is 22145320139. The reversal of 22145320124 is 42102354122.

It is a junction number, because it is equal to n+sod(n) for n = 22145320093 and 22145320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145320121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26874977 + ... + 26875800.

It is an arithmetic number, because the mean of its divisors is an integer number (3260880532).

Almost surely, 2^22145320124 is an apocalyptic number.

It is an amenable number.

22145320124 is a deficient number, since it is larger than the sum of its proper divisors (16985246260).

22145320124 is a wasteful number, since it uses less digits than its factorization.

22145320124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53750884 (or 53750882 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22145320124 its reverse (42102354122), we get a palindrome (64247674246).

The spelling of 22145320124 in words is "twenty-two billion, one hundred forty-five million, three hundred twenty thousand, one hundred twenty-four".