103222221 has 8 divisors (see below), whose sum is σ = 137679360. Its totient is φ = 68789952.

The previous prime is 103222213. The next prime is 103222243. The reversal of 103222221 is 122222301.

It is a happy number.

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

It is not a de Polignac number, because 103222221 - 2³ = 103222213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103222261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8341 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (17209920).

Almost surely, 2^103222221 is an apocalyptic number.

It is an amenable number.

103222221 is a deficient number, since it is larger than the sum of its proper divisors (34457139).

103222221 is an equidigital number, since it uses as much as digits as its factorization.

103222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103222221 is about 10159.8337092691. The cubic root of 103222221 is about 469.0916831806.

Adding to 103222221 its reverse (122222301), we get a palindrome (225444522).

The spelling of 103222221 in words is "one hundred three million, two hundred twenty-two thousand, two hundred twenty-one".