100144422 has 48 divisors (see below), whose sum is σ = 254690592. Its totient is φ = 27838080.

The previous prime is 100144411. The next prime is 100144481. The reversal of 100144422 is 224441001.

100144422 is a `hidden beast` number, since 100 + 144 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100144395 and 100144404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6079 + ... + 15402.

It is an arithmetic number, because the mean of its divisors is an integer number (5306054).

Almost surely, 2^100144422 is an apocalyptic number.

100144422 is an abundant number, since it is smaller than the sum of its proper divisors (154546170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100144422 is a wasteful number, since it uses less digits than its factorization.

100144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21533 (or 21530 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 100144422 is about 10007.2184946667. The cubic root of 100144422 is about 464.3822250584.

Adding to 100144422 its reverse (224441001), we get a palindrome (324585423).

The spelling of 100144422 in words is "one hundred million, one hundred forty-four thousand, four hundred twenty-two".