22798211 has 4 divisors (see below), whose sum is σ = 22808400. Its totient is φ = 22788024.

The previous prime is 22798187. The next prime is 22798229. The reversal of 22798211 is 11289722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11289722 = 2 ⋅5644861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22798211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22798231) 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, 116 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (5702100).

Almost surely, 2^22798211 is an apocalyptic number.

22798211 is a deficient number, since it is larger than the sum of its proper divisors (10189).

22798211 is an equidigital number, since it uses as much as digits as its factorization.

22798211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188.

The product of its digits is 4032, while the sum is 32.

The square root of 22798211 is about 4774.7472184399. The cubic root of 22798211 is about 283.5525711064.

The spelling of 22798211 in words is "twenty-two million, seven hundred ninety-eight thousand, two hundred eleven".