104221555 has 8 divisors (see below), whose sum is σ = 131648400. Its totient is φ = 78988896.

The previous prime is 104221519. The next prime is 104221567. The reversal of 104221555 is 555122401.

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

It is a cyclic number.

It is not a de Polignac number, because 104221555 - 2¹⁹ = 103697267 is a prime.

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, 548440 + ... + 548629.

It is an arithmetic number, because the mean of its divisors is an integer number (16456050).

Almost surely, 2^104221555 is an apocalyptic number.

104221555 is a deficient number, since it is larger than the sum of its proper divisors (27426845).

104221555 is a wasteful number, since it uses less digits than its factorization.

104221555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097093.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 104221555 is about 10208.8958756567. The cubic root of 104221555 is about 470.6006429679.

Adding to 104221555 its reverse (555122401), we get a palindrome (659343956).

The spelling of 104221555 in words is "one hundred four million, two hundred twenty-one thousand, five hundred fifty-five".