22250243461543 has 32 divisors (see below), whose sum is σ = 23776020398592. Its totient is φ = 20749532160000.

The previous prime is 22250243461519. The next prime is 22250243461603. The reversal of 22250243461543 is 34516434205222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22250243461543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22250243461543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250243468543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2613674055 + ... + 2613682567.

It is an arithmetic number, because the mean of its divisors is an integer number (743000637456).

Almost surely, 2^{22250243461543} is an apocalyptic number.

22250243461543 is a deficient number, since it is larger than the sum of its proper divisors (1525776937049).

22250243461543 is a wasteful number, since it uses less digits than its factorization.

22250243461543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11895.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 22250243461543 its reverse (34516434205222), we get a palindrome (56766677666765).

The spelling of 22250243461543 in words is "twenty-two trillion, two hundred fifty billion, two hundred forty-three million, four hundred sixty-one thousand, five hundred forty-three".