221481482 has 16 divisors (see below), whose sum is σ = 341649792. Its totient is φ = 107606160.

The previous prime is 221481473. The next prime is 221481493. The reversal of 221481482 is 284184122.

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, 74843 + ... + 77745.

It is an arithmetic number, because the mean of its divisors is an integer number (21353112).

Almost surely, 2^221481482 is an apocalyptic number.

221481482 is a deficient number, since it is larger than the sum of its proper divisors (120168310).

221481482 is a wasteful number, since it uses less digits than its factorization.

221481482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its digits is 8192, while the sum is 32.

The square root of 221481482 is about 14882.2539287569. The cubic root of 221481482 is about 605.0331079484.

The spelling of 221481482 in words is "two hundred twenty-one million, four hundred eighty-one thousand, four hundred eighty-two".