45222227470220 has 96 divisors (see below), whose sum is σ = 103289323894848. Its totient is φ = 16561704517632.

The previous prime is 45222227470171. The next prime is 45222227470223. The reversal of 45222227470220 is 2207472222254.

45222227470220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45222227470223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69659444 + ... + 70305636.

It is an arithmetic number, because the mean of its divisors is an integer number (1075930457238).

Almost surely, 2^{45222227470220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45222227470220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51644661947424).

45222227470220 is an abundant number, since it is smaller than the sum of its proper divisors (58067096424628).

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

45222227470220 is a wasteful number, since it uses less digits than its factorization.

45222227470220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651819 (or 651817 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 41.

Adding to 45222227470220 its reverse (2207472222254), we get a palindrome (47429699692474).

The spelling of 45222227470220 in words is "forty-five trillion, two hundred twenty-two billion, two hundred twenty-seven million, four hundred seventy thousand, two hundred twenty".