22197448742 has 16 divisors (see below), whose sum is σ = 38829357600. Its totient is φ = 9513192024.

The previous prime is 22197448729. The next prime is 22197448753. The reversal of 22197448742 is 24784479122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16178213 + ... + 16179584.

It is an arithmetic number, because the mean of its divisors is an integer number (2426834850).

Almost surely, 2^22197448742 is an apocalyptic number.

22197448742 is a deficient number, since it is larger than the sum of its proper divisors (16631908858).

22197448742 is an equidigital number, since it uses as much as digits as its factorization.

22197448742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32357820 (or 32357806 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 22197448742 in words is "twenty-two billion, one hundred ninety-seven million, four hundred forty-eight thousand, seven hundred forty-two".