22212531043 has 4 divisors (see below), whose sum is σ = 22589014680. Its totient is φ = 21836047408.

The previous prime is 22212530987. The next prime is 22212531067. The reversal of 22212531043 is 34013521222.

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-22212531043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212530999 and 22212531017.

It is not an unprimeable number, because it can be changed into a prime (22212531073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188241730 + ... + 188241847.

It is an arithmetic number, because the mean of its divisors is an integer number (5647253670).

Almost surely, 2^22212531043 is an apocalyptic number.

22212531043 is a deficient number, since it is larger than the sum of its proper divisors (376483637).

22212531043 is an equidigital number, since it uses as much as digits as its factorization.

22212531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376483636.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 22212531043 in words is "twenty-two billion, two hundred twelve million, five hundred thirty-one thousand, forty-three".