22214520453443 has 4 divisors (see below), whose sum is σ = 22361636483088. Its totient is φ = 22067404423800.

The previous prime is 22214520453431. The next prime is 22214520453451. The reversal of 22214520453443 is 34435402541222.

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 22214520453443 - 2⁶ = 22214520453379 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 22214520453443.

It is not an unprimeable number, because it can be changed into a prime (22214520453413) 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, 73558014596 + ... + 73558014897.

It is an arithmetic number, because the mean of its divisors is an integer number (5590409120772).

Almost surely, 2^{22214520453443} is an apocalyptic number.

22214520453443 is a deficient number, since it is larger than the sum of its proper divisors (147116029645).

22214520453443 is a wasteful number, since it uses less digits than its factorization.

22214520453443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147116029644.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 22214520453443 its reverse (34435402541222), we get a palindrome (56649922994665).

The spelling of 22214520453443 in words is "twenty-two trillion, two hundred fourteen billion, five hundred twenty million, four hundred fifty-three thousand, four hundred forty-three".