104220555 has 16 divisors (see below), whose sum is σ = 167037984. Its totient is φ = 55489280.

The previous prime is 104220547. The next prime is 104220559. The reversal of 104220555 is 555022401.

It is a happy number.

It is not a de Polignac number, because 104220555 - 2³ = 104220547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104220559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (10439874).

Almost surely, 2^104220555 is an apocalyptic number.

104220555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104220555 is a deficient number, since it is larger than the sum of its proper divisors (62817429).

104220555 is a wasteful number, since it uses less digits than its factorization.

104220555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 104220555 is about 10208.8468986463. The cubic root of 104220555 is about 470.5991378341.

Adding to 104220555 its reverse (555022401), we get a palindrome (659242956).

The spelling of 104220555 in words is "one hundred four million, two hundred twenty thousand, five hundred fifty-five".