22142203 has 4 divisors (see below), whose sum is σ = 22220728. Its totient is φ = 22063680.

The previous prime is 22142189. The next prime is 22142213. The reversal of 22142203 is 30224122.

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 22142203 - 2⁵ = 22142171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142213) 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, 38838 + ... + 39403.

It is an arithmetic number, because the mean of its divisors is an integer number (5555182).

Almost surely, 2^22142203 is an apocalyptic number.

22142203 is a deficient number, since it is larger than the sum of its proper divisors (78525).

22142203 is an equidigital number, since it uses as much as digits as its factorization.

22142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78524.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22142203 is about 4705.5502335009. The cubic root of 22142203 is about 280.8063617834.

Adding to 22142203 its reverse (30224122), we get a palindrome (52366325).

It can be divided in two parts, 221 and 42203, that added together give a palindrome (42424).

The spelling of 22142203 in words is "twenty-two million, one hundred forty-two thousand, two hundred three".