22581484992004 has 27 divisors (see below), whose sum is σ = 40927762915221. Its totient is φ = 10901273491920.

The previous prime is 22581484991987. The next prime is 22581484992029. The reversal of 22581484992004 is 40029948418522.

It is a happy number.

The square root of 22581484992004 is 4751998.

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

It can be written as a sum of positive squares in only one way, i.e., 11841182974404 + 10740302017600 = 3441102^2 + 3277240^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22581484992004.

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 8 ways as a sum of consecutive naturals, for example, 275574919 + ... + 275656849.

Almost surely, 2^{22581484992004} is an apocalyptic number.

22581484992004 is the 4751998-th square number.

It is an amenable number.

22581484992004 is a deficient number, since it is larger than the sum of its proper divisors (18346277923217).

22581484992004 is an frugal number, since it uses more digits than its factorization.

22581484992004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163924 (or 81962 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 22581484992004 in words is "twenty-two trillion, five hundred eighty-one billion, four hundred eighty-four million, nine hundred ninety-two thousand, four".