227939401 has 2 divisors, whose sum is σ = 227939402. Its totient is φ = 227939400.

The previous prime is 227939399. The next prime is 227939423. The reversal of 227939401 is 104939722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150921225 + 77018176 = 12285^2 + 8776^2 .

It is a cyclic number.

It is not a de Polignac number, because 227939401 - 2¹ = 227939399 is a prime.

Together with 227939399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (227939471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113969700 + 113969701.

It is an arithmetic number, because the mean of its divisors is an integer number (113969701).

Almost surely, 2^227939401 is an apocalyptic number.

It is an amenable number.

227939401 is a deficient number, since it is larger than the sum of its proper divisors (1).

227939401 is an equidigital number, since it uses as much as digits as its factorization.

227939401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 227939401 is about 15097.6621037828. The cubic root of 227939401 is about 610.8573459132.

The spelling of 227939401 in words is "two hundred twenty-seven million, nine hundred thirty-nine thousand, four hundred one".