1822218584020 has 24 divisors (see below), whose sum is σ = 3827231389800. Its totient is φ = 728778412032.

The previous prime is 1822218583979. The next prime is 1822218584113. The reversal of 1822218584020 is 204858122281.

It can be written as a sum of positive squares in 4 ways, for example, as 671357364496 + 1150861219524 = 819364^2 + 1072782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6676725 + ... + 6944284.

It is an arithmetic number, because the mean of its divisors is an integer number (159467974575).

Almost surely, 2^{1822218584020} is an apocalyptic number.

1822218584020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1822218584020 is an abundant number, since it is smaller than the sum of its proper divisors (2005012805780).

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

1822218584020 is a wasteful number, since it uses less digits than its factorization.

1822218584020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627707 (or 13627705 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 43.

The spelling of 1822218584020 in words is "one trillion, eight hundred twenty-two billion, two hundred eighteen million, five hundred eighty-four thousand, twenty".