100544666422 has 4 divisors (see below), whose sum is σ = 150816999636. Its totient is φ = 50272333210.

The previous prime is 100544666377. The next prime is 100544666423. The reversal of 100544666422 is 224666445001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224666445001 = 2551 ⋅88069951.

It is a super-2 number, since 2×100544666422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544666423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25136166604 + ... + 25136166607.

It is an arithmetic number, because the mean of its divisors is an integer number (37704249909).

Almost surely, 2^100544666422 is an apocalyptic number.

100544666422 is a deficient number, since it is larger than the sum of its proper divisors (50272333214).

100544666422 is an equidigital number, since it uses as much as digits as its factorization.

100544666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50272333213.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 100544666422 in words is "one hundred billion, five hundred forty-four million, six hundred sixty-six thousand, four hundred twenty-two".