22680620646 has 8 divisors (see below), whose sum is σ = 45361241304. Its totient is φ = 7560206880.

The previous prime is 22680620621. The next prime is 22680620647. The reversal of 22680620646 is 64602608622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

22680620646 is an admirable number.

It is a super-2 number, since 2×22680620646² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22680620598 and 22680620607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22680620647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890051715 + ... + 1890051726.

It is an arithmetic number, because the mean of its divisors is an integer number (5670155163).

Almost surely, 2^22680620646 is an apocalyptic number.

22680620646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22680620646 is a wasteful number, since it uses less digits than its factorization.

22680620646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780103446.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 22680620646 in words is "twenty-two billion, six hundred eighty million, six hundred twenty thousand, six hundred forty-six".