22113425424 has 160 divisors (see below), whose sum is σ = 62224588800. Its totient is φ = 6741411840.

The previous prime is 22113425413. The next prime is 22113425531. The reversal of 22113425424 is 42452431122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22113425391 and 22113425400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16764637 + ... + 16765955.

It is an arithmetic number, because the mean of its divisors is an integer number (388903680).

Almost surely, 2^22113425424 is an apocalyptic number.

22113425424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22113425424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31112294400).

22113425424 is an abundant number, since it is smaller than the sum of its proper divisors (40111163376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22113425424 is a wasteful number, since it uses less digits than its factorization.

22113425424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1967 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 22113425424 its reverse (42452431122), we get a palindrome (64565856546).

The spelling of 22113425424 in words is "twenty-two billion, one hundred thirteen million, four hundred twenty-five thousand, four hundred twenty-four".