212223241 has 4 divisors (see below), whose sum is σ = 219069184. Its totient is φ = 205377300.

The previous prime is 212223227. The next prime is 212223269. The reversal of 212223241 is 142322212.

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 a cyclic number.

It is not a de Polignac number, because 212223241 - 2²³ = 203834633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212223541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422925 + ... + 3422986.

It is an arithmetic number, because the mean of its divisors is an integer number (54767296).

Almost surely, 2^212223241 is an apocalyptic number.

It is an amenable number.

212223241 is a deficient number, since it is larger than the sum of its proper divisors (6845943).

212223241 is an equidigital number, since it uses as much as digits as its factorization.

212223241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845942.

The product of its digits is 384, while the sum is 19.

The square root of 212223241 is about 14567.8838888838. The cubic root of 212223241 is about 596.4824189320.

Adding to 212223241 its reverse (142322212), we get a palindrome (354545453).

The spelling of 212223241 in words is "two hundred twelve million, two hundred twenty-three thousand, two hundred forty-one".