100422234 has 64 divisors (see below), whose sum is σ = 244702080. Its totient is φ = 30274560.

The previous prime is 100422197. The next prime is 100422269. The reversal of 100422234 is 432224001.

100422234 is a `hidden beast` number, since 10 + 0 + 422 + 234 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173754 + ... + 174330.

It is an arithmetic number, because the mean of its divisors is an integer number (3823470).

Almost surely, 2^100422234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100422234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122351040).

100422234 is an abundant number, since it is smaller than the sum of its proper divisors (144279846).

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

100422234 is a wasteful number, since it uses less digits than its factorization.

100422234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 886 counting only the distinct ones).

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

The square root of 100422234 is about 10021.0894617302. The cubic root of 100422234 is about 464.8112449301.

Adding to 100422234 its reverse (432224001), we get a palindrome (532646235).

The spelling of 100422234 in words is "one hundred million, four hundred twenty-two thousand, two hundred thirty-four".