22202021210443 has 4 divisors (see below), whose sum is σ = 22202193074328. Its totient is φ = 22201849346560.

The previous prime is 22202021210429. The next prime is 22202021210563. The reversal of 22202021210443 is 34401212020222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202021210443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202021210843) 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, 85738021 + ... + 85996582.

It is an arithmetic number, because the mean of its divisors is an integer number (5550548268582).

Almost surely, 2^{22202021210443} is an apocalyptic number.

22202021210443 is a deficient number, since it is larger than the sum of its proper divisors (171863885).

22202021210443 is a wasteful number, since it uses less digits than its factorization.

22202021210443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171863884.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22202021210443 its reverse (34401212020222), we get a palindrome (56603233230665).

The spelling of 22202021210443 in words is "twenty-two trillion, two hundred two billion, twenty-one million, two hundred ten thousand, four hundred forty-three".