22220550440224 has 48 divisors (see below), whose sum is σ = 43765362341568. Its totient is φ = 11105538794752.

The previous prime is 22220550440167. The next prime is 22220550440243. The reversal of 22220550440224 is 42204405502222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220550440224.

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, 1485621354 + ... + 1485636310.

It is an arithmetic number, because the mean of its divisors is an integer number (911778382116).

Almost surely, 2^{22220550440224} is an apocalyptic number.

It is an amenable number.

22220550440224 is a deficient number, since it is larger than the sum of its proper divisors (21544811901344).

22220550440224 is a wasteful number, since it uses less digits than its factorization.

22220550440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31657 (or 31649 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 22220550440224 its reverse (42204405502222), we get a palindrome (64424955942446).

The spelling of 22220550440224 in words is "twenty-two trillion, two hundred twenty billion, five hundred fifty million, four hundred forty thousand, two hundred twenty-four".