227100961 has 2 divisors, whose sum is σ = 227100962. Its totient is φ = 227100960.

The previous prime is 227100953. The next prime is 227101003. The reversal of 227100961 is 169001722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161798400 + 65302561 = 12720^2 + 8081^2 .

It is a cyclic number.

It is not a de Polignac number, because 227100961 - 2³ = 227100953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227100911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113550480 + 113550481.

It is an arithmetic number, because the mean of its divisors is an integer number (113550481).

Almost surely, 2^227100961 is an apocalyptic number.

It is an amenable number.

227100961 is a deficient number, since it is larger than the sum of its proper divisors (1).

227100961 is an equidigital number, since it uses as much as digits as its factorization.

227100961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 227100961 is about 15069.8693093205. The cubic root of 227100961 is about 610.1074441215.

The spelling of 227100961 in words is "two hundred twenty-seven million, one hundred thousand, nine hundred sixty-one".