223336221 has 8 divisors (see below), whose sum is σ = 308050080. Its totient is φ = 143756592.

The previous prime is 223336213. The next prime is 223336229. The reversal of 223336221 is 122633322.

It is an interprime number because it is at equal distance from previous prime (223336213) and next prime (223336229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223336221 - 2³ = 223336213 is a prime.

It is a super-2 number, since 2×223336221² = 99758135221121682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223336191 and 223336200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223336229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283455 + ... + 1283628.

It is an arithmetic number, because the mean of its divisors is an integer number (38506260).

Almost surely, 2^223336221 is an apocalyptic number.

It is an amenable number.

223336221 is a deficient number, since it is larger than the sum of its proper divisors (84713859).

223336221 is a wasteful number, since it uses less digits than its factorization.

223336221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567115.

The product of its digits is 2592, while the sum is 24.

The square root of 223336221 is about 14944.4377947114. The cubic root of 223336221 is about 606.7173127558.

Adding to 223336221 its reverse (122633322), we get a palindrome (345969543).

The spelling of 223336221 in words is "two hundred twenty-three million, three hundred thirty-six thousand, two hundred twenty-one".