1022402104004 has 24 divisors (see below), whose sum is σ = 1805160311640. Its totient is φ = 506661709824.

The previous prime is 1022402103979. The next prime is 1022402104021. The reversal of 1022402104004 is 4004012042201.

It can be written as a sum of positive squares in 4 ways, for example, as 68853760000 + 953548344004 = 262400^2 + 976498^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253959 + ... + 2669294.

It is an arithmetic number, because the mean of its divisors is an integer number (75215012985).

Almost surely, 2^{1022402104004} is an apocalyptic number.

It is an amenable number.

1022402104004 is a deficient number, since it is larger than the sum of its proper divisors (782758207636).

1022402104004 is a wasteful number, since it uses less digits than its factorization.

1022402104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923719 (or 4923717 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1022402104004 its reverse (4004012042201), we get a palindrome (5026414146205).

The spelling of 1022402104004 in words is "one trillion, twenty-two billion, four hundred two million, one hundred four thousand, four".