1100122222 has 4 divisors (see below), whose sum is σ = 1650183336. Its totient is φ = 550061110.

The previous prime is 1100122217. The next prime is 1100122229. The reversal of 1100122222 is 2222210011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100122229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275030554 + ... + 275030557.

It is an arithmetic number, because the mean of its divisors is an integer number (412545834).

Almost surely, 2^1100122222 is an apocalyptic number.

1100122222 is a deficient number, since it is larger than the sum of its proper divisors (550061114).

1100122222 is an equidigital number, since it uses as much as digits as its factorization.

1100122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550061113.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1100122222 is about 33168.0904183524. The cubic root of 1100122222 is about 1032.3183465678.

Adding to 1100122222 its reverse (2222210011), we get a palindrome (3322332233).

The spelling of 1100122222 in words is "one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".