22078702644804 has 243 divisors, whose sum is σ = 61111995055293. Its totient is φ = 6718003066944.

The previous prime is 22078702644793. The next prime is 22078702644821. The reversal of 22078702644804 is 40844620787022.

The square root of 22078702644804 is 4698798.

It is a perfect power (a square), and thus also a powerful number.

22078702644804 is a `hidden beast` number, since 2 + 2 + 0 + 78 + 70 + 26 + 4 + 480 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3266080272900 + 18812622371904 = 1807230^2 + 4337352^2 .

It is a super-2 number, since 2×22078702644804² (a number of 27 digits) contains 22 as substring.

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 80 ways as a sum of consecutive naturals, for example, 39216167827 + ... + 39216168389.

Almost surely, 2^{22078702644804} is an apocalyptic number.

22078702644804 is the 4698798-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22078702644804

22078702644804 is an abundant number, since it is smaller than the sum of its proper divisors (39033292410489).

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

22078702644804 is a wasteful number, since it uses less digits than its factorization.

22078702644804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 54.

The spelling of 22078702644804 in words is "twenty-two trillion, seventy-eight billion, seven hundred two million, six hundred forty-four thousand, eight hundred four".