1051444422 has 128 divisors (see below), whose sum is σ = 2810142720. Its totient is φ = 285068160.

The previous prime is 1051444367. The next prime is 1051444447. The reversal of 1051444422 is 2244441501.

It is a super-2 number, since 2×1051444422² = 2211070745109828168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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, 620208 + ... + 621900.

It is an arithmetic number, because the mean of its divisors is an integer number (21954240).

Almost surely, 2^1051444422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051444422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405071360).

1051444422 is an abundant number, since it is smaller than the sum of its proper divisors (1758698298).

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

1051444422 is a wasteful number, since it uses less digits than its factorization.

1051444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1051444422 is about 32425.9837476059. The cubic root of 1051444422 is about 1016.8622084268.

Adding to 1051444422 its reverse (2244441501), we get a palindrome (3295885923).

The spelling of 1051444422 in words is "one billion, fifty-one million, four hundred forty-four thousand, four hundred twenty-two".