1839744222 has 8 divisors (see below), whose sum is σ = 3679488456. Its totient is φ = 613248072.

The previous prime is 1839744211. The next prime is 1839744227. The reversal of 1839744222 is 2224479381.

It is a sphenic number, since it is the product of 3 distinct primes.

1839744222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839744227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153312013 + ... + 153312024.

It is an arithmetic number, because the mean of its divisors is an integer number (459936057).

Almost surely, 2^1839744222 is an apocalyptic number.

1839744222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1839744222 is a wasteful number, since it uses less digits than its factorization.

1839744222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306624042.

The product of its digits is 193536, while the sum is 42.

The square root of 1839744222 is about 42892.2396477498. The cubic root of 1839744222 is about 1225.3283522407.

The spelling of 1839744222 in words is "one billion, eight hundred thirty-nine million, seven hundred forty-four thousand, two hundred twenty-two".