363622381 has 2 divisors, whose sum is σ = 363622382. Its totient is φ = 363622380.

The previous prime is 363622339. The next prime is 363622451. The reversal of 363622381 is 183226363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333646756 + 29975625 = 18266^2 + 5475^2 .

It is a cyclic number.

It is not a de Polignac number, because 363622381 - 2¹⁵ = 363589613 is a prime.

It is a super-2 number, since 2×363622381² = 264442471928218322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (363622081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181811190 + 181811191.

It is an arithmetic number, because the mean of its divisors is an integer number (181811191).

Almost surely, 2^363622381 is an apocalyptic number.

It is an amenable number.

363622381 is a deficient number, since it is larger than the sum of its proper divisors (1).

363622381 is an equidigital number, since it uses as much as digits as its factorization.

363622381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 363622381 is about 19068.8851535689. The cubic root of 363622381 is about 713.7567067520.

The spelling of 363622381 in words is "three hundred sixty-three million, six hundred twenty-two thousand, three hundred eighty-one".