1398227 has 2 divisors, whose sum is σ = 1398228. Its totient is φ = 1398226.

The previous prime is 1398217. The next prime is 1398247. The reversal of 1398227 is 7228931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398227 - 2⁴ = 1398211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1398193 and 1398202.

It is not a weakly prime, because it can be changed into another prime (1398217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699113 + 699114.

It is an arithmetic number, because the mean of its divisors is an integer number (699114).

2^1398227 is an apocalyptic number.

1398227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398227 is an equidigital number, since it uses as much as digits as its factorization.

1398227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1398227 is about 1182.4664900115. The cubic root of 1398227 is about 111.8216496039.

The spelling of 1398227 in words is "one million, three hundred ninety-eight thousand, two hundred twenty-seven".