22003101 has 12 divisors (see below), whose sum is σ = 32557980. Its totient is φ = 14310720.

The previous prime is 22003099. The next prime is 22003103. The reversal of 22003101 is 10130022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22003099) and next prime (22003103).

It can be written as a sum of positive squares in 2 ways, for example, as 5405625 + 16597476 = 2325^2 + 4074^2 .

It is not a de Polignac number, because 22003101 - 2¹ = 22003099 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 (22003103) 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, 29446 + ... + 30183.

It is an arithmetic number, because the mean of its divisors is an integer number (2713165).

Almost surely, 2^22003101 is an apocalyptic number.

It is an amenable number.

22003101 is a deficient number, since it is larger than the sum of its proper divisors (10554879).

22003101 is a wasteful number, since it uses less digits than its factorization.

22003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59676 (or 59673 counting only the distinct ones).

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

The square root of 22003101 is about 4690.7463158862. The cubic root of 22003101 is about 280.2170977864.

Adding to 22003101 its reverse (10130022), we get a palindrome (32133123).

The spelling of 22003101 in words is "twenty-two million, three thousand, one hundred one".