382474223221 has 2 divisors, whose sum is σ = 382474223222. Its totient is φ = 382474223220.

The previous prime is 382474223137. The next prime is 382474223249. The reversal of 382474223221 is 122322474283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322135704900 + 60338518321 = 567570^2 + 245639^2 .

It is a cyclic number.

It is not a de Polignac number, because 382474223221 - 2⁹ = 382474222709 is a prime.

It is a super-2 number, since 2×382474223221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382474223281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191237111610 + 191237111611.

It is an arithmetic number, because the mean of its divisors is an integer number (191237111611).

Almost surely, 2^382474223221 is an apocalyptic number.

It is an amenable number.

382474223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

382474223221 is an equidigital number, since it uses as much as digits as its factorization.

382474223221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 40.

The spelling of 382474223221 in words is "three hundred eighty-two billion, four hundred seventy-four million, two hundred twenty-three thousand, two hundred twenty-one".