22113203 has 4 divisors (see below), whose sum is σ = 25272240. Its totient is φ = 18954168.

The previous prime is 22113191. The next prime is 22113229. The reversal of 22113203 is 30231122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22113203 - 2¹⁴ = 22096819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22113253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579508 + ... + 1579521.

It is an arithmetic number, because the mean of its divisors is an integer number (6318060).

Almost surely, 2^22113203 is an apocalyptic number.

22113203 is a deficient number, since it is larger than the sum of its proper divisors (3159037).

22113203 is an equidigital number, since it uses as much as digits as its factorization.

22113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159036.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22113203 is about 4702.4677564020. The cubic root of 22113203 is about 280.6837160187.

Adding to 22113203 its reverse (30231122), we get a palindrome (52344325).

The spelling of 22113203 in words is "twenty-two million, one hundred thirteen thousand, two hundred three".