1100224042 has 4 divisors (see below), whose sum is σ = 1650336066. Its totient is φ = 550112020.

The previous prime is 1100224033. The next prime is 1100224049. The reversal of 1100224042 is 2404220011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404220011 = 2111 ⋅1138901.

It can be written as a sum of positive squares in only one way, i.e., 1087614441 + 12609601 = 32979^2 + 3551^2 .

It is not an unprimeable number, because it can be changed into a prime (1100224049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275056009 + ... + 275056012.

Almost surely, 2^1100224042 is an apocalyptic number.

1100224042 is a deficient number, since it is larger than the sum of its proper divisors (550112024).

1100224042 is an equidigital number, since it uses as much as digits as its factorization.

1100224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550112023.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1100224042 is about 33169.6252918238. The cubic root of 1100224042 is about 1032.3501937600.

Adding to 1100224042 its reverse (2404220011), we get a palindrome (3504444053).

The spelling of 1100224042 in words is "one billion, one hundred million, two hundred twenty-four thousand, forty-two".