22071440224 has 12 divisors (see below), whose sum is σ = 43453148004. Its totient is φ = 11035720096.

The previous prime is 22071440219. The next prime is 22071440239. The reversal of 22071440224 is 42204417022.

It is a junction number, because it is equal to n+sod(n) for n = 22071440192 and 22071440201.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 344866222 + ... + 344866285.

It is an arithmetic number, because the mean of its divisors is an integer number (3621095667).

Almost surely, 2^22071440224 is an apocalyptic number.

It is an amenable number.

22071440224 is a deficient number, since it is larger than the sum of its proper divisors (21381707780).

22071440224 is an equidigital number, since it uses as much as digits as its factorization.

22071440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689732517 (or 689732509 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 22071440224 its reverse (42204417022), we get a palindrome (64275857246).

The spelling of 22071440224 in words is "twenty-two billion, seventy-one million, four hundred forty thousand, two hundred twenty-four".