421202203 has 8 divisors (see below), whose sum is σ = 452805120. Its totient is φ = 390542760.

The previous prime is 421202161. The next prime is 421202213. The reversal of 421202203 is 302202124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421202203 is a prime.

It is a super-2 number, since 2×421202203² = 354822591624106418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421202213) 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, 234943 + ... + 236728.

It is an arithmetic number, because the mean of its divisors is an integer number (56600640).

Almost surely, 2^421202203 is an apocalyptic number.

421202203 is a deficient number, since it is larger than the sum of its proper divisors (31602917).

421202203 is a wasteful number, since it uses less digits than its factorization.

421202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471737.

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

The square root of 421202203 is about 20523.2113227925. The cubic root of 421202203 is about 749.6010933504.

Adding to 421202203 its reverse (302202124), we get a palindrome (723404327).

The spelling of 421202203 in words is "four hundred twenty-one million, two hundred two thousand, two hundred three".