22445332434240 has 224 divisors, whose sum is σ = 75020444580096. Its totient is φ = 5674520248320.

The previous prime is 22445332434137. The next prime is 22445332434253. The reversal of 22445332434240 is 4243423354422.

It is a super-2 number, since 2×22445332434240² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22445332434192 and 22445332434201.

It is a congruent number.

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, 2002951 + ... + 6993030.

Almost surely, 2^{22445332434240} is an apocalyptic number.

22445332434240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445332434240 is an abundant number, since it is smaller than the sum of its proper divisors (52575112145856).

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

22445332434240 is a wasteful number, since it uses less digits than its factorization.

22445332434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996137 (or 8996127 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 42.

Adding to 22445332434240 its reverse (4243423354422), we get a palindrome (26688755788662).

The spelling of 22445332434240 in words is "twenty-two trillion, four hundred forty-five billion, three hundred thirty-two million, four hundred thirty-four thousand, two hundred forty".