221422774470054 has 32 divisors (see below), whose sum is σ = 467151396266880. Its totient is φ = 69773253383232.

The previous prime is 221422774470049. The next prime is 221422774470061. The reversal of 221422774470054 is 450074477224122.

It is a junction number, because it is equal to n+sod(n) for n = 221422774469979 and 221422774470006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079502479 + ... + 2079608954.

It is an arithmetic number, because the mean of its divisors is an integer number (14598481133340).

Almost surely, 2^{221422774470054} is an apocalyptic number.

221422774470054 is an abundant number, since it is smaller than the sum of its proper divisors (245728621796826).

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

221422774470054 is a wasteful number, since it uses less digits than its factorization.

221422774470054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159111924.

The product of its (nonzero) digits is 7024640, while the sum is 51.

The spelling of 221422774470054 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, seven hundred seventy-four million, four hundred seventy thousand, fifty-four".