1838867222 has 32 divisors (see below), whose sum is σ = 2857016448. Its totient is φ = 887132736.

The previous prime is 1838867221. The next prime is 1838867267. The reversal of 1838867222 is 2227688381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838867221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265913 + ... + 3266475.

It is an arithmetic number, because the mean of its divisors is an integer number (89281764).

Almost surely, 2^1838867222 is an apocalyptic number.

1838867222 is a deficient number, since it is larger than the sum of its proper divisors (1018149226).

1838867222 is a wasteful number, since it uses less digits than its factorization.

1838867222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 516096, while the sum is 47.

The square root of 1838867222 is about 42882.0151345526. The cubic root of 1838867222 is about 1225.1336179670.

The spelling of 1838867222 in words is "one billion, eight hundred thirty-eight million, eight hundred sixty-seven thousand, two hundred twenty-two".