22416223 has 4 divisors (see below), whose sum is σ = 22426768. Its totient is φ = 22405680.

The previous prime is 22416221. The next prime is 22416239. The reversal of 22416223 is 32261422.

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.

It is a cyclic number.

It is not a de Polignac number, because 22416223 - 2¹ = 22416221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22416194 and 22416203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22416221) 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, 843 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (5606692).

Almost surely, 2^22416223 is an apocalyptic number.

22416223 is a deficient number, since it is larger than the sum of its proper divisors (10545).

22416223 is an equidigital number, since it uses as much as digits as its factorization.

22416223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544.

The product of its digits is 1152, while the sum is 22.

The square root of 22416223 is about 4734.5773834631. The cubic root of 22416223 is about 281.9599854362.

Adding to 22416223 its reverse (32261422), we get a palindrome (54677645).

It can be divided in two parts, 2241 and 6223, that added together give a square (8464 = 92²).

The spelling of 22416223 in words is "twenty-two million, four hundred sixteen thousand, two hundred twenty-three".