1100100222 has 48 divisors (see below), whose sum is σ = 2571594480. Its totient is φ = 337873536.

The previous prime is 1100100191. The next prime is 1100100223. The reversal of 1100100222 is 2220010011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100100223) 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, 133354 + ... + 141362.

It is an arithmetic number, because the mean of its divisors is an integer number (53574885).

Almost surely, 2^1100100222 is an apocalyptic number.

1100100222 is an abundant number, since it is smaller than the sum of its proper divisors (1471494258).

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

1100100222 is a wasteful number, since it uses less digits than its factorization.

1100100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617 (or 8614 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1100100222 is about 33167.7587726394. The cubic root of 1100100222 is about 1032.3114651642.

Adding to 1100100222 its reverse (2220010011), we get a palindrome (3320110233).

The spelling of 1100100222 in words is "one billion, one hundred million, one hundred thousand, two hundred twenty-two".