224212999 has 2 divisors, whose sum is σ = 224213000. Its totient is φ = 224212998.

The previous prime is 224212979. The next prime is 224213027. The reversal of 224212999 is 999212422.

224212999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224212999 - 2¹⁹ = 223688711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224212909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112106499 + 112106500.

It is an arithmetic number, because the mean of its divisors is an integer number (112106500).

Almost surely, 2^224212999 is an apocalyptic number.

224212999 is a deficient number, since it is larger than the sum of its proper divisors (1).

224212999 is an equidigital number, since it uses as much as digits as its factorization.

224212999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 224212999 is about 14973.7436534756. The cubic root of 224212999 is about 607.5102305401.

The spelling of 224212999 in words is "two hundred twenty-four million, two hundred twelve thousand, nine hundred ninety-nine".