1440222234 has 64 divisors (see below), whose sum is σ = 3292047360. Its totient is φ = 415785920.

The previous prime is 1440222209. The next prime is 1440222239. The reversal of 1440222234 is 4322220441.

It is not an unprimeable number, because it can be changed into a prime (1440222239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406579 + ... + 410105.

It is an arithmetic number, because the mean of its divisors is an integer number (51438240).

Almost surely, 2^1440222234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440222234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646023680).

1440222234 is an abundant number, since it is smaller than the sum of its proper divisors (1851825126).

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

1440222234 is a wasteful number, since it uses less digits than its factorization.

1440222234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1440222234 is about 37950.2599991094. The cubic root of 1440222234 is about 1129.3013233915.

Adding to 1440222234 its reverse (4322220441), we get a palindrome (5762442675).

The spelling of 1440222234 in words is "one billion, four hundred forty million, two hundred twenty-two thousand, two hundred thirty-four".