22124013 has 8 divisors (see below), whose sum is σ = 30516000. Its totient is φ = 14240688.

The previous prime is 22124009. The next prime is 22124023. The reversal of 22124013 is 31042122.

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

It is not a de Polignac number, because 22124013 - 2² = 22124009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22123983 and 22124001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124023) 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, 127063 + ... + 127236.

It is an arithmetic number, because the mean of its divisors is an integer number (3814500).

Almost surely, 2^22124013 is an apocalyptic number.

It is an amenable number.

22124013 is a deficient number, since it is larger than the sum of its proper divisors (8391987).

22124013 is a wasteful number, since it uses less digits than its factorization.

22124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254331.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22124013 is about 4703.6170124703. The cubic root of 22124013 is about 280.7294458132.

Adding to 22124013 its reverse (31042122), we get a palindrome (53166135).

The spelling of 22124013 in words is "twenty-two million, one hundred twenty-four thousand, thirteen".