22100243242 has 32 divisors (see below), whose sum is σ = 41342999040. Its totient is φ = 8607844080.

The previous prime is 22100243239. The next prime is 22100243251. The reversal of 22100243242 is 24234200122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526009 + ... + 566467.

It is an arithmetic number, because the mean of its divisors is an integer number (1291968720).

Almost surely, 2^22100243242 is an apocalyptic number.

22100243242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100243242 is a deficient number, since it is larger than the sum of its proper divisors (19242755798).

22100243242 is a wasteful number, since it uses less digits than its factorization.

22100243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44026.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22100243242 its reverse (24234200122), we get a palindrome (46334443364).

The spelling of 22100243242 in words is "twenty-two billion, one hundred million, two hundred forty-three thousand, two hundred forty-two".