221422052622044 has 24 divisors (see below), whose sum is σ = 388172035278720. Its totient is φ = 110515785695744.

The previous prime is 221422052621981. The next prime is 221422052622047. The reversal of 221422052622044 is 440226250224122.

It is a junction number, because it is equal to n+sod(n) for n = 221422052621989 and 221422052622007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422052622047) 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, 27137072 + ... + 34340424.

It is an arithmetic number, because the mean of its divisors is an integer number (16173834803280).

Almost surely, 2^{221422052622044} is an apocalyptic number.

It is an amenable number.

221422052622044 is a deficient number, since it is larger than the sum of its proper divisors (166749982656676).

221422052622044 is a wasteful number, since it uses less digits than its factorization.

221422052622044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216909 (or 7216907 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 38.

The spelling of 221422052622044 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-two million, six hundred twenty-two thousand, forty-four".