1100222222 has 16 divisors (see below), whose sum is σ = 1800928944. Its totient is φ = 499944000.

The previous prime is 1100222197. The next prime is 1100222251. The reversal of 1100222222 is 2222220011.

1100222222 is a modest number, since divided by 22222 gives 11002 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1100222197 and 1100222206.

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, 92072 + ... + 103332.

It is an arithmetic number, because the mean of its divisors is an integer number (112558059).

Almost surely, 2^1100222222 is an apocalyptic number.

1100222222 is a deficient number, since it is larger than the sum of its proper divisors (700706722).

1100222222 is a wasteful number, since it uses less digits than its factorization.

1100222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1100222222 is about 33169.5978570739. The cubic root of 1100222222 is about 1032.3496245188.

Adding to 1100222222 its reverse (2222220011), we get a palindrome (3322442233).

It can be divided in two parts, 1100 and 222222, that added together give a palindrome (223322).

The spelling of 1100222222 in words is "one billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-two".