221422654346654 has 8 divisors (see below), whose sum is σ = 332135220757080. Its totient is φ = 110710914094296.

The previous prime is 221422654346573. The next prime is 221422654346659. The reversal of 221422654346654 is 456643456224122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221422654346654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422654346659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205869044 + ... + 206941799.

It is an arithmetic number, because the mean of its divisors is an integer number (41516902594635).

Almost surely, 2^{221422654346654} is an apocalyptic number.

221422654346654 is a deficient number, since it is larger than the sum of its proper divisors (110712566410426).

221422654346654 is a wasteful number, since it uses less digits than its factorization.

221422654346654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413079034.

The product of its digits is 66355200, while the sum is 56.

The spelling of 221422654346654 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, six hundred fifty-four million, three hundred forty-six thousand, six hundred fifty-four".