222120403 has 8 divisors (see below), whose sum is σ = 226827216. Its totient is φ = 217432800.

The previous prime is 222120401. The next prime is 222120473. The reversal of 222120403 is 304021222.

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

It is a cyclic number.

It is not a de Polignac number, because 222120403 - 2¹ = 222120401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120401) 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, 19888 + ... + 28978.

It is an arithmetic number, because the mean of its divisors is an integer number (28353402).

Almost surely, 2^222120403 is an apocalyptic number.

222120403 is a deficient number, since it is larger than the sum of its proper divisors (4706813).

222120403 is an equidigital number, since it uses as much as digits as its factorization.

222120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222120403 is about 14903.7043381838. The cubic root of 222120403 is about 605.6143412423.

Adding to 222120403 its reverse (304021222), we get a palindrome (526141625).

The spelling of 222120403 in words is "two hundred twenty-two million, one hundred twenty thousand, four hundred three".