221481483 has 8 divisors (see below), whose sum is σ = 295398288. Its totient is φ = 147609504.

The previous prime is 221481473. The next prime is 221481493. The reversal of 221481483 is 384184122.

It is an interprime number because it is at equal distance from previous prime (221481473) and next prime (221481493).

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

It is not a de Polignac number, because 221481483 - 2⁵ = 221481451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221481473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841 + ... + 21237.

It is an arithmetic number, because the mean of its divisors is an integer number (36924786).

Almost surely, 2^221481483 is an apocalyptic number.

221481483 is a deficient number, since it is larger than the sum of its proper divisors (73916805).

221481483 is a wasteful number, since it uses less digits than its factorization.

221481483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22413.

The product of its digits is 12288, while the sum is 33.

The square root of 221481483 is about 14882.2539623540. The cubic root of 221481483 is about 605.0331088590.

The spelling of 221481483 in words is "two hundred twenty-one million, four hundred eighty-one thousand, four hundred eighty-three".