1844422272 has 512 divisors, whose sum is σ = 7050240000. Its totient is φ = 460615680.

The previous prime is 1844422271. The next prime is 1844422289. The reversal of 1844422272 is 2722244481.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1844422271) 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 63 ways as a sum of consecutive naturals, for example, 7717129 + ... + 7717367.

It is an arithmetic number, because the mean of its divisors is an integer number (13770000).

Almost surely, 2^1844422272 is an apocalyptic number.

1844422272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1844422272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525120000).

1844422272 is an abundant number, since it is smaller than the sum of its proper divisors (5205817728).

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

1844422272 is a wasteful number, since it uses less digits than its factorization.

1844422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 291 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 1844422272 is about 42946.7376176585. The cubic root of 1844422272 is about 1226.3660500480.

The spelling of 1844422272 in words is "one billion, eight hundred forty-four million, four hundred twenty-two thousand, two hundred seventy-two".