22202213450 has 24 divisors (see below), whose sum is σ = 43469598720. Its totient is φ = 8413470000.

The previous prime is 22202213351. The next prime is 22202213489. The reversal of 22202213450 is 5431220222.

It is a Curzon 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 in 11 ways as a sum of consecutive naturals, for example, 11684426 + ... + 11686325.

It is an arithmetic number, because the mean of its divisors is an integer number (1811233280).

Almost surely, 2^22202213450 is an apocalyptic number.

22202213450 is a deficient number, since it is larger than the sum of its proper divisors (21267385270).

22202213450 is a wasteful number, since it uses less digits than its factorization.

22202213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370782 (or 23370777 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22202213450 its reverse (5431220222), we get a palindrome (27633433672).

The spelling of 22202213450 in words is "twenty-two billion, two hundred two million, two hundred thirteen thousand, four hundred fifty".