22252420622 has 16 divisors (see below), whose sum is σ = 34538652720. Its totient is φ = 10745351232.

The previous prime is 22252420613. The next prime is 22252420681. The reversal of 22252420622 is 22602425222.

It is a congruent number.

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, 1445993 + ... + 1461300.

It is an arithmetic number, because the mean of its divisors is an integer number (2158665795).

Almost surely, 2^22252420622 is an apocalyptic number.

22252420622 is a deficient number, since it is larger than the sum of its proper divisors (12286232098).

22252420622 is a wasteful number, since it uses less digits than its factorization.

22252420622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907427.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22252420622 its reverse (22602425222), we get a palindrome (44854845844).

The spelling of 22252420622 in words is "twenty-two billion, two hundred fifty-two million, four hundred twenty thousand, six hundred twenty-two".