227944621 has 2 divisors, whose sum is σ = 227944622. Its totient is φ = 227944620.

The previous prime is 227944609. The next prime is 227944637. The reversal of 227944621 is 126449722.

227944621 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 can be written as a sum of positive squares in only one way, i.e., 168870025 + 59074596 = 12995^2 + 7686^2 .

It is a cyclic number.

It is not a de Polignac number, because 227944621 - 2⁵ = 227944589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227944021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113972310 + 113972311.

It is an arithmetic number, because the mean of its divisors is an integer number (113972311).

Almost surely, 2^227944621 is an apocalyptic number.

It is an amenable number.

227944621 is a deficient number, since it is larger than the sum of its proper divisors (1).

227944621 is an equidigital number, since it uses as much as digits as its factorization.

227944621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 227944621 is about 15097.8349772409. The cubic root of 227944621 is about 610.8620089231.

The spelling of 227944621 in words is "two hundred twenty-seven million, nine hundred forty-four thousand, six hundred twenty-one".