223213101 has 4 divisors (see below), whose sum is σ = 297617472. Its totient is φ = 148808732.

The previous prime is 223213099. The next prime is 223213103. The reversal of 223213101 is 101312322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223213099) and next prime (223213103).

It is a cyclic number.

It is not a de Polignac number, because 223213101 - 2¹ = 223213099 is a prime.

It is a super-3 number, since 3×223213101³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37202181 + ... + 37202186.

It is an arithmetic number, because the mean of its divisors is an integer number (74404368).

Almost surely, 2^223213101 is an apocalyptic number.

It is an amenable number.

223213101 is a deficient number, since it is larger than the sum of its proper divisors (74404371).

223213101 is an equidigital number, since it uses as much as digits as its factorization.

223213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74404370.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 223213101 is about 14940.3179685039. The cubic root of 223213101 is about 606.6058026060.

Adding to 223213101 its reverse (101312322), we get a palindrome (324525423).

It can be divided in two parts, 22 and 3213101, that added together give a palindrome (3213123).

The spelling of 223213101 in words is "two hundred twenty-three million, two hundred thirteen thousand, one hundred one".