22276610646 has 32 divisors (see below), whose sum is σ = 46064527200. Its totient is φ = 7176347136.

The previous prime is 22276610599. The next prime is 22276610669. The reversal of 22276610646 is 64601667222.

It is a junction number, because it is equal to n+sod(n) for n = 22276610598 and 22276610607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303651 + ... + 369806.

It is an arithmetic number, because the mean of its divisors is an integer number (1439516475).

Almost surely, 2^22276610646 is an apocalyptic number.

22276610646 is an abundant number, since it is smaller than the sum of its proper divisors (23787916554).

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

22276610646 is a wasteful number, since it uses less digits than its factorization.

22276610646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673648.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 22276610646 in words is "twenty-two billion, two hundred seventy-six million, six hundred ten thousand, six hundred forty-six".