22001103 has 12 divisors (see below), whose sum is σ = 32804928. Its totient is φ = 14194080.

The previous prime is 22001101. The next prime is 22001113. The reversal of 22001103 is 30110022.

It is a happy number.

It is not a de Polignac number, because 22001103 - 2¹ = 22001101 is a prime.

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 (22001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39150 + ... + 39707.

It is an arithmetic number, because the mean of its divisors is an integer number (2733744).

Almost surely, 2^22001103 is an apocalyptic number.

22001103 is a deficient number, since it is larger than the sum of its proper divisors (10803825).

22001103 is a wasteful number, since it uses less digits than its factorization.

22001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78894 (or 78891 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 22001103 is about 4690.5333385448. The cubic root of 22001103 is about 280.2086157894.

Adding to 22001103 its reverse (30110022), we get a palindrome (52111125).

The spelling of 22001103 in words is "twenty-two million, one thousand, one hundred three".