400236227 has 2 divisors, whose sum is σ = 400236228. Its totient is φ = 400236226.

The previous prime is 400236211. The next prime is 400236251. The reversal of 400236227 is 722632004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400236227 - 2⁴ = 400236211 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 400236196 and 400236205.

It is not a weakly prime, because it can be changed into another prime (400236427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200118113 + 200118114.

It is an arithmetic number, because the mean of its divisors is an integer number (200118114).

Almost surely, 2^400236227 is an apocalyptic number.

400236227 is a deficient number, since it is larger than the sum of its proper divisors (1).

400236227 is an equidigital number, since it uses as much as digits as its factorization.

400236227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 400236227 is about 20005.9048033324. The cubic root of 400236227 is about 736.9513158027.

The spelling of 400236227 in words is "four hundred million, two hundred thirty-six thousand, two hundred twenty-seven".