100222422 has 16 divisors (see below), whose sum is σ = 205106880. Its totient is φ = 32630472.

The previous prime is 100222373. The next prime is 100222433. The reversal of 100222422 is 224222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193972 + ... + 194487.

It is an arithmetic number, because the mean of its divisors is an integer number (12819180).

Almost surely, 2^100222422 is an apocalyptic number.

100222422 is an abundant number, since it is smaller than the sum of its proper divisors (104884458).

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

100222422 is a wasteful number, since it uses less digits than its factorization.

100222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388507.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 100222422 is about 10011.1149229244. The cubic root of 100222422 is about 464.5027590260.

Adding to 100222422 its reverse (224222001), we get a palindrome (324444423).

The spelling of 100222422 in words is "one hundred million, two hundred twenty-two thousand, four hundred twenty-two".