22421285056 has 14 divisors (see below), whose sum is σ = 44492237660. Its totient is φ = 11210642496.

The previous prime is 22421285053. The next prime is 22421285059. The reversal of 22421285056 is 65058212422.

It is an interprime number because it is at equal distance from previous prime (22421285053) and next prime (22421285059).

It is not an unprimeable number, because it can be changed into a prime (22421285053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175166226 + ... + 175166353.

Almost surely, 2^22421285056 is an apocalyptic number.

It is an amenable number.

22421285056 is a deficient number, since it is larger than the sum of its proper divisors (22070952604).

22421285056 is an equidigital number, since it uses as much as digits as its factorization.

22421285056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350332591 (or 350332581 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 22421285056 its reverse (65058212422), we get a palindrome (87479497478).

The spelling of 22421285056 in words is "twenty-two billion, four hundred twenty-one million, two hundred eighty-five thousand, fifty-six".