22617421746 has 16 divisors (see below), whose sum is σ = 45253728000. Its totient is φ = 7535993168.

The previous prime is 22617421709. The next prime is 22617421747. The reversal of 22617421746 is 64712471622.

It is a junction number, because it is equal to n+sod(n) for n = 22617421698 and 22617421707.

It is not an unprimeable number, because it can be changed into a prime (22617421747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771261 + ... + 800048.

It is an arithmetic number, because the mean of its divisors is an integer number (2828358000).

Almost surely, 2^22617421746 is an apocalyptic number.

22617421746 is an abundant number, since it is smaller than the sum of its proper divisors (22636306254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22617421746 is a wasteful number, since it uses less digits than its factorization.

22617421746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573713.

The product of its digits is 225792, while the sum is 42.

The spelling of 22617421746 in words is "twenty-two billion, six hundred seventeen million, four hundred twenty-one thousand, seven hundred forty-six".