22540912254143 has 4 divisors (see below), whose sum is σ = 22826240257440. Its totient is φ = 22255584250848.

The previous prime is 22540912254139. The next prime is 22540912254163. The reversal of 22540912254143 is 34145221904522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22540912254143 - 2² = 22540912254139 is a prime.

It is a super-2 number, since 2×22540912254143² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22540912254094 and 22540912254103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540912254163) 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, 142664001530 + ... + 142664001687.

It is an arithmetic number, because the mean of its divisors is an integer number (5706560064360).

Almost surely, 2^{22540912254143} is an apocalyptic number.

22540912254143 is a deficient number, since it is larger than the sum of its proper divisors (285328003297).

22540912254143 is an equidigital number, since it uses as much as digits as its factorization.

22540912254143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285328003296.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 22540912254143 in words is "twenty-two trillion, five hundred forty billion, nine hundred twelve million, two hundred fifty-four thousand, one hundred forty-three".