100222902 has 24 divisors (see below), whose sum is σ = 233853984. Its totient is φ = 30837744.

The previous prime is 100222877. The next prime is 100222919. The reversal of 100222902 is 209222001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213918 + ... + 214385.

It is an arithmetic number, because the mean of its divisors is an integer number (9743916).

Almost surely, 2^100222902 is an apocalyptic number.

100222902 is an abundant number, since it is smaller than the sum of its proper divisors (133631082).

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

100222902 is a wasteful number, since it uses less digits than its factorization.

100222902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428324 (or 428321 counting only the distinct ones).

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

The square root of 100222902 is about 10011.1388962495. The cubic root of 100222902 is about 464.5035005798.

Adding to 100222902 its reverse (209222001), we get a palindrome (309444903).

It can be divided in two parts, 100222 and 902, that added together give a square (101124 = 318²).

The spelling of 100222902 in words is "one hundred million, two hundred twenty-two thousand, nine hundred two".