22241231424 has 140 divisors (see below), whose sum is σ = 66067343100. Its totient is φ = 7398300672.

The previous prime is 22241231407. The next prime is 22241231437. The reversal of 22241231424 is 42413214222.

It is a happy number.

22241231424 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 1 + 231 + 424 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10809345024 + 11431886400 = 103968^2 + 106920^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2634442 + ... + 2642870.

Almost surely, 2^22241231424 is an apocalyptic number.

22241231424 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 22241231424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33033671550).

22241231424 is an abundant number, since it is smaller than the sum of its proper divisors (43826111676).

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

22241231424 is an equidigital number, since it uses as much as digits as its factorization.

22241231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962 (or 8943 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22241231424 its reverse (42413214222), we get a palindrome (64654445646).

The spelling of 22241231424 in words is "twenty-two billion, two hundred forty-one million, two hundred thirty-one thousand, four hundred twenty-four".