22142420224 has 18 divisors (see below), whose sum is σ = 44198347130. Its totient is φ = 11071209984.

The previous prime is 22142420197. The next prime is 22142420227. The reversal of 22142420224 is 42202424122.

It can be written as a sum of positive squares in only one way, i.e., 21658420224 + 484000000 = 147168^2 + 22000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142420227) by changing a digit.

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 as a sum of consecutive naturals, namely, 43246659 + ... + 43247170.

Almost surely, 2^22142420224 is an apocalyptic number.

It is an amenable number.

22142420224 is a deficient number, since it is larger than the sum of its proper divisors (22055926906).

22142420224 is an frugal number, since it uses more digits than its factorization.

22142420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86493845 (or 86493831 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22142420224 its reverse (42202424122), we get a palindrome (64344844346).

The spelling of 22142420224 in words is "twenty-two billion, one hundred forty-two million, four hundred twenty thousand, two hundred twenty-four".