22402220442 has 32 divisors (see below), whose sum is σ = 51225177600. Its totient is φ = 6398121648.

The previous prime is 22402220341. The next prime is 22402220459. The reversal of 22402220442 is 24402220422.

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 15 ways as a sum of consecutive naturals, for example, 4909 + ... + 211727.

It is an arithmetic number, because the mean of its divisors is an integer number (1600786800).

Almost surely, 2^22402220442 is an apocalyptic number.

22402220442 is an abundant number, since it is smaller than the sum of its proper divisors (28822957158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22402220442 is a wasteful number, since it uses less digits than its factorization.

22402220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209410.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22402220442 its reverse (24402220422), we get a palindrome (46804440864).

The spelling of 22402220442 in words is "twenty-two billion, four hundred two million, two hundred twenty thousand, four hundred forty-two".