4221475222356 has 432 divisors, whose sum is σ = 13184033990400. Its totient is φ = 1113537300480.

The previous prime is 4221475222339. The next prime is 4221475222361. The reversal of 4221475222356 is 6532225741224.

4221475222356 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 4 + 75 + 222 + 356 = 666.

Its product of digits (1612800) is a multiple of the sum of its prime factors (2100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2835106860 + ... + 2835108348.

It is an arithmetic number, because the mean of its divisors is an integer number (30518597200).

Almost surely, 2^{4221475222356} is an apocalyptic number.

4221475222356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221475222356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6592016995200).

4221475222356 is an abundant number, since it is smaller than the sum of its proper divisors (8962558768044).

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

4221475222356 is a wasteful number, since it uses less digits than its factorization.

4221475222356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2064 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 4221475222356 in words is "four trillion, two hundred twenty-one billion, four hundred seventy-five million, two hundred twenty-two thousand, three hundred fifty-six".