22223399 has 4 divisors (see below), whose sum is σ = 24243720. Its totient is φ = 20203080.

The previous prime is 22223393. The next prime is 22223413. The reversal of 22223399 is 99332222.

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 22223399 - 2⁸ = 22223143 is a prime.

It is a super-2 number, since 2×22223399² = 987758926226402, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223393) 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, 1010144 + ... + 1010165.

It is an arithmetic number, because the mean of its divisors is an integer number (6060930).

Almost surely, 2^22223399 is an apocalyptic number.

22223399 is a deficient number, since it is larger than the sum of its proper divisors (2020321).

22223399 is a wasteful number, since it uses less digits than its factorization.

22223399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020320.

The product of its digits is 11664, while the sum is 32.

The square root of 22223399 is about 4714.1700223899. The cubic root of 22223399 is about 281.1491843437.

It can be divided in two parts, 22223 and 399, that added together give a palindrome (22622).

The spelling of 22223399 in words is "twenty-two million, two hundred twenty-three thousand, three hundred ninety-nine".