213224122247 has 2 divisors, whose sum is σ = 213224122248. Its totient is φ = 213224122246.

The previous prime is 213224122229. The next prime is 213224122261. The reversal of 213224122247 is 742221422312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213224122247 - 2⁸ = 213224121991 is a prime.

It is a super-3 number, since 3×213224122247³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213224122147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106612061123 + 106612061124.

It is an arithmetic number, because the mean of its divisors is an integer number (106612061124).

Almost surely, 2^213224122247 is an apocalyptic number.

213224122247 is a deficient number, since it is larger than the sum of its proper divisors (1).

213224122247 is an equidigital number, since it uses as much as digits as its factorization.

213224122247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

Adding to 213224122247 its reverse (742221422312), we get a palindrome (955445544559).

The spelling of 213224122247 in words is "two hundred thirteen billion, two hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-seven".