22555234143040 has 28 divisors (see below), whose sum is σ = 53709651303876. Its totient is φ = 9022093657088.

The previous prime is 22555234143019. The next prime is 22555234143049. The reversal of 22555234143040 is 4034143255522.

It can be written as a sum of positive squares in 2 ways, for example, as 8357048412736 + 14198185730304 = 2890856^2 + 3768048^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 22555234142984 and 22555234143002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555234143049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35242553029 + ... + 35242553668.

Almost surely, 2^{22555234143040} is an apocalyptic number.

22555234143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555234143040 is an abundant number, since it is smaller than the sum of its proper divisors (31154417160836).

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

22555234143040 is an equidigital number, since it uses as much as digits as its factorization.

22555234143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70485106714 (or 70485106704 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 22555234143040 its reverse (4034143255522), we get a palindrome (26589377398562).

The spelling of 22555234143040 in words is "twenty-two trillion, five hundred fifty-five billion, two hundred thirty-four million, one hundred forty-three thousand, forty".