226220220644 has 24 divisors (see below), whose sum is σ = 431888327136. Its totient is φ = 102824192000.

The previous prime is 226220220643. The next prime is 226220220673. The reversal of 226220220644 is 446022022622.

It is a self number, because there is not a number n which added to its sum of digits gives 226220220644.

It is not an unprimeable number, because it can be changed into a prime (226220220643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928804 + ... + 2042724.

It is an arithmetic number, because the mean of its divisors is an integer number (17995346964).

Almost surely, 2^226220220644 is an apocalyptic number.

It is an amenable number.

226220220644 is a deficient number, since it is larger than the sum of its proper divisors (205668106492).

226220220644 is a wasteful number, since it uses less digits than its factorization.

226220220644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159067 (or 159065 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 226220220644 in words is "two hundred twenty-six billion, two hundred twenty million, two hundred twenty thousand, six hundred forty-four".