224212007 has 2 divisors, whose sum is σ = 224212008. Its totient is φ = 224212006.

The previous prime is 224212003. The next prime is 224212013. The reversal of 224212007 is 700212422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224212007 - 2² = 224212003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224212007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112106003 + 112106004.

It is an arithmetic number, because the mean of its divisors is an integer number (112106004).

Almost surely, 2^224212007 is an apocalyptic number.

224212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

224212007 is an equidigital number, since it uses as much as digits as its factorization.

224212007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 224212007 is about 14973.7105287901. The cubic root of 224212007 is about 607.5093345899.

Adding to 224212007 its reverse (700212422), we get a palindrome (924424429).

The spelling of 224212007 in words is "two hundred twenty-four million, two hundred twelve thousand, seven".