22223121242 has 16 divisors (see below), whose sum is σ = 40337766720. Its totient is φ = 8963947968.

The previous prime is 22223121211. The next prime is 22223121253. The reversal of 22223121242 is 24212132222.

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 in 7 ways as a sum of consecutive naturals, for example, 46686992 + ... + 46687467.

It is an arithmetic number, because the mean of its divisors is an integer number (2521110420).

Almost surely, 2^22223121242 is an apocalyptic number.

22223121242 is a deficient number, since it is larger than the sum of its proper divisors (18114645478).

22223121242 is a wasteful number, since it uses less digits than its factorization.

22223121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93374485.

The product of its digits is 1536, while the sum is 23.

Adding to 22223121242 its reverse (24212132222), we get a palindrome (46435253464).

The spelling of 22223121242 in words is "twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred forty-two".