100222092 has 18 divisors (see below), whose sum is σ = 253339268. Its totient is φ = 33407352.

The previous prime is 100222091. The next prime is 100222097. The reversal of 100222092 is 290222001.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (100222091) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1391938 + ... + 1392009.

Almost surely, 2^100222092 is an apocalyptic number.

100222092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100222092 is an abundant number, since it is smaller than the sum of its proper divisors (153117176).

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

100222092 is a wasteful number, since it uses less digits than its factorization.

100222092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783957 (or 2783952 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100222092 is about 10011.0984412301. The cubic root of 100222092 is about 464.5022492063.

Adding to 100222092 its reverse (290222001), we get a palindrome (390444093).

The spelling of 100222092 in words is "one hundred million, two hundred twenty-two thousand, ninety-two".