3822385618 has 4 divisors (see below), whose sum is σ = 5733578430. Its totient is φ = 1911192808.

The previous prime is 3822385613. The next prime is 3822385639. The reversal of 3822385618 is 8165832283.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3767136129 + 55249489 = 61377^2 + 7433^2 .

It is a super-2 number, since 2×3822385618² = 29221263625386483848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3822385613) 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, 955596403 + ... + 955596406.

Almost surely, 2^3822385618 is an apocalyptic number.

3822385618 is a deficient number, since it is larger than the sum of its proper divisors (1911192812).

3822385618 is a wasteful number, since it uses less digits than its factorization.

3822385618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911192811.

The product of its digits is 552960, while the sum is 46.

The square root of 3822385618 is about 61825.4447456709. Note that the first 3 decimals coincide. The cubic root of 3822385618 is about 1563.5490119473.

The spelling of 3822385618 in words is "three billion, eight hundred twenty-two million, three hundred eighty-five thousand, six hundred eighteen".