226522001 has 2 divisors, whose sum is σ = 226522002. Its totient is φ = 226522000.

The previous prime is 226521961. The next prime is 226522003. The reversal of 226522001 is 100225622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137710225 + 88811776 = 11735^2 + 9424^2 .

It is a cyclic number.

It is not a de Polignac number, because 226522001 - 2⁶ = 226521937 is a prime.

Together with 226522003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226522003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113261000 + 113261001.

It is an arithmetic number, because the mean of its divisors is an integer number (113261001).

Almost surely, 2^226522001 is an apocalyptic number.

It is an amenable number.

226522001 is a deficient number, since it is larger than the sum of its proper divisors (1).

226522001 is an equidigital number, since it uses as much as digits as its factorization.

226522001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 226522001 is about 15050.6478598099. The cubic root of 226522001 is about 609.5885436329.

Adding to 226522001 its reverse (100225622), we get a palindrome (326747623).

The spelling of 226522001 in words is "two hundred twenty-six million, five hundred twenty-two thousand, one".