22102443 has 16 divisors (see below), whose sum is σ = 35721600. Its totient is φ = 13395240.

The previous prime is 22102441. The next prime is 22102463. The reversal of 22102443 is 34420122.

22102443 is a `hidden beast` number, since 221 + 0 + 2 + 443 = 666.

It is not a de Polignac number, because 22102443 - 2¹ = 22102441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36913 + ... + 37506.

It is an arithmetic number, because the mean of its divisors is an integer number (2232600).

Almost surely, 2^22102443 is an apocalyptic number.

22102443 is a deficient number, since it is larger than the sum of its proper divisors (13619157).

22102443 is a wasteful number, since it uses less digits than its factorization.

22102443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74439 (or 74433 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22102443 is about 4701.3235370478. The cubic root of 22102443 is about 280.6381829380.

Adding to 22102443 its reverse (34420122), we get a palindrome (56522565).

The spelling of 22102443 in words is "twenty-two million, one hundred two thousand, four hundred forty-three".