1838220182 has 4 divisors (see below), whose sum is σ = 2757330276. Its totient is φ = 919110090.

The previous prime is 1838220179. The next prime is 1838220221. The reversal of 1838220182 is 2810228381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2810228381 = 53 ⋅53023177.

It is a super-2 number, since 2×1838220182² = 6758106875024226248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459555044 + ... + 459555047.

It is an arithmetic number, because the mean of its divisors is an integer number (689332569).

Almost surely, 2^1838220182 is an apocalyptic number.

1838220182 is a deficient number, since it is larger than the sum of its proper divisors (919110094).

1838220182 is an equidigital number, since it uses as much as digits as its factorization.

1838220182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919110093.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1838220182 is about 42874.4700492029. The cubic root of 1838220182 is about 1224.9899056783.

The spelling of 1838220182 in words is "one billion, eight hundred thirty-eight million, two hundred twenty thousand, one hundred eighty-two".