22362223 has 4 divisors (see below), whose sum is σ = 24082408. Its totient is φ = 20642040.

The previous prime is 22362211. The next prime is 22362247. The reversal of 22362223 is 32226322.

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 22362223 - 2⁹ = 22361711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22362194 and 22362203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22362203) 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, 860073 + ... + 860098.

It is an arithmetic number, because the mean of its divisors is an integer number (6020602).

Almost surely, 2^22362223 is an apocalyptic number.

22362223 is a deficient number, since it is larger than the sum of its proper divisors (1720185).

22362223 is a wasteful number, since it uses less digits than its factorization.

22362223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720184.

The product of its digits is 1728, while the sum is 22.

The square root of 22362223 is about 4728.8712183776. The cubic root of 22362223 is about 281.7333923746.

Adding to 22362223 its reverse (32226322), we get a palindrome (54588545).

The spelling of 22362223 in words is "twenty-two million, three hundred sixty-two thousand, two hundred twenty-three".