22452241240 has 128 divisors (see below), whose sum is σ = 60797459520. Its totient is φ = 7352524800.

The previous prime is 22452241237. The next prime is 22452241249. The reversal of 22452241240 is 4214225422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22452241199 and 22452241208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452241249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186652 + ... + 282388.

Almost surely, 2^22452241240 is an apocalyptic number.

22452241240 is a gapful number since it is divisible by the number (20) 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 22452241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30398729760).

22452241240 is an abundant number, since it is smaller than the sum of its proper divisors (38345218280).

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

22452241240 is a wasteful number, since it uses less digits than its factorization.

22452241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95813 (or 95809 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 22452241240 its reverse (4214225422), we get a palindrome (26666466662).

The spelling of 22452241240 in words is "twenty-two billion, four hundred fifty-two million, two hundred forty-one thousand, two hundred forty".