221038482554 has 16 divisors (see below), whose sum is σ = 340532404128. Its totient is φ = 107527920912.

The previous prime is 221038482551. The next prime is 221038482559. The reversal of 221038482554 is 455284830122.

It is not an unprimeable number, because it can be changed into a prime (221038482551) by changing a digit.

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, 2574629 + ... + 2659095.

It is an arithmetic number, because the mean of its divisors is an integer number (21283275258).

Almost surely, 2^221038482554 is an apocalyptic number.

221038482554 is a deficient number, since it is larger than the sum of its proper divisors (119493921574).

221038482554 is a wasteful number, since it uses less digits than its factorization.

221038482554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119869.

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 221038482554 in words is "two hundred twenty-one billion, thirty-eight million, four hundred eighty-two thousand, five hundred fifty-four".