22152203 has 4 divisors (see below), whose sum is σ = 22208400. Its totient is φ = 22096008.

The previous prime is 22152187. The next prime is 22152209. The reversal of 22152203 is 30225122.

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 22152203 - 2⁴ = 22152187 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22152209) 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, 27503 + ... + 28296.

It is an arithmetic number, because the mean of its divisors is an integer number (5552100).

Almost surely, 2^22152203 is an apocalyptic number.

22152203 is a deficient number, since it is larger than the sum of its proper divisors (56197).

22152203 is an equidigital number, since it uses as much as digits as its factorization.

22152203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56196.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22152203 is about 4706.6126885479. The cubic root of 22152203 is about 280.8486285954.

Adding to 22152203 its reverse (30225122), we get a palindrome (52377325).

The spelling of 22152203 in words is "twenty-two million, one hundred fifty-two thousand, two hundred three".