104221340 has 24 divisors (see below), whose sum is σ = 219910992. Its totient is φ = 41489280.

The previous prime is 104221321. The next prime is 104221343. The reversal of 104221340 is 43122401.

It is a super-2 number, since 2×104221340² = 21724175422791200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104221343) 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, 8129 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (9162958).

Almost surely, 2^104221340 is an apocalyptic number.

104221340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104221340 is an abundant number, since it is smaller than the sum of its proper divisors (115689652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104221340 is a wasteful number, since it uses less digits than its factorization.

104221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24917 (or 24915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104221340 is about 10208.8853456193. The cubic root of 104221340 is about 470.6003193649.

Adding to 104221340 its reverse (43122401), we get a palindrome (147343741).

The spelling of 104221340 in words is "one hundred four million, two hundred twenty-one thousand, three hundred forty".