22022252501242 has 16 divisors (see below), whose sum is σ = 39739403010240. Its totient is φ = 8941365677088.

The previous prime is 22022252501237. The next prime is 22022252501281. The reversal of 22022252501242 is 24210525222022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41395211203 + ... + 41395211734.

It is an arithmetic number, because the mean of its divisors is an integer number (2483712688140).

Almost surely, 2^{22022252501242} is an apocalyptic number.

22022252501242 is a deficient number, since it is larger than the sum of its proper divisors (17717150508998).

22022252501242 is a wasteful number, since it uses less digits than its factorization.

22022252501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82790422965.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 22022252501242 its reverse (24210525222022), we get a palindrome (46232777723264).

The spelling of 22022252501242 in words is "twenty-two trillion, twenty-two billion, two hundred fifty-two million, five hundred one thousand, two hundred forty-two".