400503227 has 2 divisors, whose sum is σ = 400503228. Its totient is φ = 400503226.

The previous prime is 400503179. The next prime is 400503251. The reversal of 400503227 is 722305004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400503227 - 2¹⁴ = 400486843 is a prime.

It is not a weakly prime, because it can be changed into another prime (400593227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200251613 + 200251614.

It is an arithmetic number, because the mean of its divisors is an integer number (200251614).

Almost surely, 2^400503227 is an apocalyptic number.

400503227 is a deficient number, since it is larger than the sum of its proper divisors (1).

400503227 is an equidigital number, since it uses as much as digits as its factorization.

400503227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 400503227 is about 20012.5767206524. The cubic root of 400503227 is about 737.1151542641.

The spelling of 400503227 in words is "four hundred million, five hundred three thousand, two hundred twenty-seven".