221421554206022 has 16 divisors (see below), whose sum is σ = 355025864223072. Its totient is φ = 103314404930880.

The previous prime is 221421554205989. The next prime is 221421554206033. The reversal of 221421554206022 is 220602455124122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58701364553 + ... + 58701368324.

It is an arithmetic number, because the mean of its divisors is an integer number (22189116513942).

Almost surely, 2^{221421554206022} is an apocalyptic number.

221421554206022 is a deficient number, since it is larger than the sum of its proper divisors (133604310017050).

221421554206022 is a wasteful number, since it uses less digits than its factorization.

221421554206022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117402732943.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 221421554206022 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, five hundred fifty-four million, two hundred six thousand, twenty-two".