103221404 has 48 divisors (see below), whose sum is σ = 213603936. Its totient is φ = 43027200.

The previous prime is 103221403. The next prime is 103221407. The reversal of 103221404 is 404122301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103034 + ... + 104030.

It is an arithmetic number, because the mean of its divisors is an integer number (4450082).

Almost surely, 2^103221404 is an apocalyptic number.

It is an amenable number.

103221404 is an abundant number, since it is smaller than the sum of its proper divisors (110382532).

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

103221404 is a wasteful number, since it uses less digits than its factorization.

103221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

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

The square root of 103221404 is about 10159.7935018385. The cubic root of 103221404 is about 469.0904455630.

Adding to 103221404 its reverse (404122301), we get a palindrome (507343705).

The spelling of 103221404 in words is "one hundred three million, two hundred twenty-one thousand, four hundred four".