223212007 has 2 divisors, whose sum is σ = 223212008. Its totient is φ = 223212006.

The previous prime is 223211971. The next prime is 223212029. The reversal of 223212007 is 700212322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223212007 - 2¹⁵ = 223179239 is a prime.

It is a super-3 number, since 3×223212007³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223212607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606003 + 111606004.

It is an arithmetic number, because the mean of its divisors is an integer number (111606004).

Almost surely, 2^223212007 is an apocalyptic number.

223212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

223212007 is an equidigital number, since it uses as much as digits as its factorization.

223212007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 223212007 is about 14940.2813561191. The cubic root of 223212007 is about 606.6048115832.

Adding to 223212007 its reverse (700212322), we get a palindrome (923424329).

The spelling of 223212007 in words is "two hundred twenty-three million, two hundred twelve thousand, seven".