22201123 has 8 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 19007880.

The previous prime is 22201121. The next prime is 22201129. The reversal of 22201123 is 32110222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22201123 - 2¹ = 22201121 is a prime.

It is a super-2 number, since 2×22201123² = 985779724922258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201121) 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 in 7 ways as a sum of consecutive naturals, for example, 9528 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^22201123 is an apocalyptic number.

22201123 is a deficient number, since it is larger than the sum of its proper divisors (3200477).

22201123 is a wasteful number, since it uses less digits than its factorization.

22201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22201123 is about 4711.8067659869. The cubic root of 22201123 is about 281.0552147254.

Adding to 22201123 its reverse (32110222), we get a palindrome (54311345).

Subtracting 22201123 from its reverse (32110222), we obtain a palindrome (9909099).

The spelling of 22201123 in words is "twenty-two million, two hundred one thousand, one hundred twenty-three".