221454552533222 has 16 divisors (see below), whose sum is σ = 332383324679952. Its totient is φ = 110660127298560.

The previous prime is 221454552533171. The next prime is 221454552533261. The reversal of 221454552533222 is 222335255454122.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23080373 + ... + 31234799.

It is an arithmetic number, because the mean of its divisors is an integer number (20773957792497).

Almost surely, 2^{221454552533222} is an apocalyptic number.

221454552533222 is a deficient number, since it is larger than the sum of its proper divisors (110928772146730).

221454552533222 is a wasteful number, since it uses less digits than its factorization.

221454552533222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162663.

The product of its digits is 5760000, while the sum is 47.

The spelling of 221454552533222 in words is "two hundred twenty-one trillion, four hundred fifty-four billion, five hundred fifty-two million, five hundred thirty-three thousand, two hundred twenty-two".