621227 has 2 divisors, whose sum is σ = 621228. Its totient is φ = 621226.

The previous prime is 621223. The next prime is 621239. The reversal of 621227 is 722126.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 621227 - 2² = 621223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 621199 and 621208.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 621227.

It is not a weakly prime, because it can be changed into another prime (621223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310613 + 310614.

It is an arithmetic number, because the mean of its divisors is an integer number (310614).

2⁶²¹²²⁷ is an apocalyptic number.

621227 is a deficient number, since it is larger than the sum of its proper divisors (1).

621227 is an equidigital number, since it uses as much as digits as its factorization.

621227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 621227 is about 788.1795480726. The cubic root of 621227 is about 85.3264035849.

It can be divided in two parts, 621 and 227, that added together give a palindrome (848).

The spelling of 621227 in words is "six hundred twenty-one thousand, two hundred twenty-seven".