22212124443 has 24 divisors (see below), whose sum is σ = 33496419840. Its totient is φ = 14156944560.

The previous prime is 22212124423. The next prime is 22212124463. The reversal of 22212124443 is 34442121222.

It is a happy number.

22212124443 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 212 + 4 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (22212124423) and next prime (22212124463).

It is not a de Polignac number, because 22212124443 - 2⁹ = 22212123931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212124423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389598 + ... + 442956.

It is an arithmetic number, because the mean of its divisors is an integer number (1395684160).

Almost surely, 2^22212124443 is an apocalyptic number.

22212124443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22212124443 is a deficient number, since it is larger than the sum of its proper divisors (11284295397).

22212124443 is a wasteful number, since it uses less digits than its factorization.

22212124443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55399 (or 55396 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22212124443 its reverse (34442121222), we get a palindrome (56654245665).

The spelling of 22212124443 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-four thousand, four hundred forty-three".