212223003 has 4 divisors (see below), whose sum is σ = 282964008. Its totient is φ = 141482000.

The previous prime is 212222947. The next prime is 212223007. The reversal of 212223003 is 300322212.

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 212223003 - 2¹⁰ = 212221979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212223007) 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, 35370498 + ... + 35370503.

It is an arithmetic number, because the mean of its divisors is an integer number (70741002).

Almost surely, 2^212223003 is an apocalyptic number.

212223003 is a deficient number, since it is larger than the sum of its proper divisors (70741005).

212223003 is an equidigital number, since it uses as much as digits as its factorization.

212223003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70741004.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212223003 is about 14567.8757202277. The cubic root of 212223003 is about 596.4821959547.

Adding to 212223003 its reverse (300322212), we get a palindrome (512545215).

The spelling of 212223003 in words is "two hundred twelve million, two hundred twenty-three thousand, three".