366221047 has 2 divisors, whose sum is σ = 366221048. Its totient is φ = 366221046.

The previous prime is 366221041. The next prime is 366221059. The reversal of 366221047 is 740122663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 366221047 - 2¹¹ = 366218999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366221041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183110523 + 183110524.

It is an arithmetic number, because the mean of its divisors is an integer number (183110524).

Almost surely, 2^366221047 is an apocalyptic number.

366221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

366221047 is an equidigital number, since it uses as much as digits as its factorization.

366221047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 366221047 is about 19136.9027535806. The cubic root of 366221047 is about 715.4529849955.

The spelling of 366221047 in words is "three hundred sixty-six million, two hundred twenty-one thousand, forty-seven".