103221898 has 8 divisors (see below), whose sum is σ = 166743108. Its totient is φ = 47640864.

The previous prime is 103221883. The next prime is 103221901. The reversal of 103221898 is 898122301.

It can be written as a sum of positive squares in 2 ways, for example, as 101666889 + 1555009 = 10083^2 + 1247^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1985011 + ... + 1985062.

Almost surely, 2^103221898 is an apocalyptic number.

103221898 is a deficient number, since it is larger than the sum of its proper divisors (63521210).

103221898 is a wasteful number, since it uses less digits than its factorization.

103221898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970088.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 103221898 is about 10159.8178133272. The cubic root of 103221898 is about 469.0911938907.

The spelling of 103221898 in words is "one hundred three million, two hundred twenty-one thousand, eight hundred ninety-eight".