1100220023 has 32 divisors (see below), whose sum is σ = 1356480000. Its totient is φ = 871447680.

The previous prime is 1100220013. The next prime is 1100220031. The reversal of 1100220023 is 3200220011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1100220023 - 2⁴ = 1100220007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100219986 and 1100220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168733 + ... + 1169673.

It is an arithmetic number, because the mean of its divisors is an integer number (42390000).

Almost surely, 2^1100220023 is an apocalyptic number.

1100220023 is a deficient number, since it is larger than the sum of its proper divisors (256259977).

1100220023 is a wasteful number, since it uses less digits than its factorization.

1100220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1100220023 is about 33169.5647092331. The cubic root of 1100220023 is about 1032.3489367370.

Adding to 1100220023 its reverse (3200220011), we get a palindrome (4300440034).

The spelling of 1100220023 in words is "one billion, one hundred million, two hundred twenty thousand, twenty-three".