382222642 has 4 divisors (see below), whose sum is σ = 573333966. Its totient is φ = 191111320.

The previous prime is 382222573. The next prime is 382222649. The reversal of 382222642 is 246222283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246222283 = 3881 ⋅63443.

It can be written as a sum of positive squares in only one way, i.e., 339333241 + 42889401 = 18421^2 + 6549^2 .

It is not an unprimeable number, because it can be changed into a prime (382222649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95555659 + ... + 95555662.

Almost surely, 2^382222642 is an apocalyptic number.

382222642 is a deficient number, since it is larger than the sum of its proper divisors (191111324).

382222642 is a wasteful number, since it uses less digits than its factorization.

382222642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191111323.

The product of its digits is 18432, while the sum is 31.

The square root of 382222642 is about 19550.5151338782. The cubic root of 382222642 is about 725.7250879790.

The spelling of 382222642 in words is "three hundred eighty-two million, two hundred twenty-two thousand, six hundred forty-two".