100022022 has 48 divisors (see below), whose sum is σ = 221590512. Its totient is φ = 32598720.

The previous prime is 100022003. The next prime is 100022029. The reversal of 100022022 is 220220001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100021995 and 100022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237372 + ... + 237792.

It is an arithmetic number, because the mean of its divisors is an integer number (4616469).

Almost surely, 2^100022022 is an apocalyptic number.

100022022 is an abundant number, since it is smaller than the sum of its proper divisors (121568490).

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

100022022 is a wasteful number, since it uses less digits than its factorization.

100022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 100022022 is about 10001.1010393856. The cubic root of 100022022 is about 464.1929532169.

Adding to 100022022 its reverse (220220001), we get a palindrome (320242023).

The spelling of 100022022 in words is "one hundred million, twenty-two thousand, twenty-two".