22224401242 has 4 divisors (see below), whose sum is σ = 33336601866. Its totient is φ = 11112200620.

The previous prime is 22224401233. The next prime is 22224401261. The reversal of 22224401242 is 24210442222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22195338361 + 29062881 = 148981^2 + 5391^2 .

It is a super-2 number, since 2×22224401242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556100309 + ... + 5556100312.

Almost surely, 2^22224401242 is an apocalyptic number.

22224401242 is a deficient number, since it is larger than the sum of its proper divisors (11112200624).

22224401242 is a wasteful number, since it uses less digits than its factorization.

22224401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112200623.

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

Adding to 22224401242 its reverse (24210442222), we get a palindrome (46434843464).

The spelling of 22224401242 in words is "twenty-two billion, two hundred twenty-four million, four hundred one thousand, two hundred forty-two".