1022143344 has 20 divisors (see below), whose sum is σ = 2640537096. Its totient is φ = 340714432.

The previous prime is 1022143337. The next prime is 1022143379. The reversal of 1022143344 is 4433412201.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 10647279 + ... + 10647374.

Almost surely, 2^1022143344 is an apocalyptic number.

It is an amenable number.

1022143344 is an abundant number, since it is smaller than the sum of its proper divisors (1618393752).

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

1022143344 is a wasteful number, since it uses less digits than its factorization.

1022143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21294664 (or 21294658 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1022143344 is about 31970.9765881494. The cubic root of 1022143344 is about 1007.3272942927.

Adding to 1022143344 its reverse (4433412201), we get a palindrome (5455555545).

The spelling of 1022143344 in words is "one billion, twenty-two million, one hundred forty-three thousand, three hundred forty-four".