22621242064 has 20 divisors (see below), whose sum is σ = 44655613956. Its totient is φ = 11097212672.

The previous prime is 22621242037. The next prime is 22621242073. The reversal of 22621242064 is 46024212622.

It can be written as a sum of positive squares in 2 ways, for example, as 9602432064 + 13018810000 = 97992^2 + 114100^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13337149 + ... + 13338844.

Almost surely, 2^22621242064 is an apocalyptic number.

It is an amenable number.

22621242064 is a deficient number, since it is larger than the sum of its proper divisors (22034371892).

22621242064 is a wasteful number, since it uses less digits than its factorization.

22621242064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26676054 (or 26676048 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 22621242064 its reverse (46024212622), we get a palindrome (68645454686).

The spelling of 22621242064 in words is "twenty-two billion, six hundred twenty-one million, two hundred forty-two thousand, sixty-four".