1022043200442 has 64 divisors (see below), whose sum is σ = 2263859794944. Its totient is φ = 304997869440.

The previous prime is 1022043200393. The next prime is 1022043200443. The reversal of 1022043200442 is 2440023402201.

It is not an unprimeable number, because it can be changed into a prime (1022043200443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15856083 + ... + 15920409.

It is an arithmetic number, because the mean of its divisors is an integer number (35372809296).

Almost surely, 2^{1022043200442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022043200442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131929897472).

1022043200442 is an abundant number, since it is smaller than the sum of its proper divisors (1241816594502).

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

1022043200442 is a wasteful number, since it uses less digits than its factorization.

1022043200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68003.

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

Adding to 1022043200442 its reverse (2440023402201), we get a palindrome (3462066602643).

The spelling of 1022043200442 in words is "one trillion, twenty-two billion, forty-three million, two hundred thousand, four hundred forty-two".