201224867 has 2 divisors, whose sum is σ = 201224868. Its totient is φ = 201224866.

The previous prime is 201224827. The next prime is 201224873. The reversal of 201224867 is 768422102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201224867 - 2²² = 197030563 is a prime.

It is not a weakly prime, because it can be changed into another prime (201224827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100612433 + 100612434.

It is an arithmetic number, because the mean of its divisors is an integer number (100612434).

Almost surely, 2^201224867 is an apocalyptic number.

201224867 is a deficient number, since it is larger than the sum of its proper divisors (1).

201224867 is an equidigital number, since it uses as much as digits as its factorization.

201224867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 201224867 is about 14185.3751095979. The cubic root of 201224867 is about 585.9949630120.

Adding to 201224867 its reverse (768422102), we get a palindrome (969646969).

The spelling of 201224867 in words is "two hundred one million, two hundred twenty-four thousand, eight hundred sixty-seven".