404421202 has 4 divisors (see below), whose sum is σ = 606631806. Its totient is φ = 202210600.

The previous prime is 404421187. The next prime is 404421203. The reversal of 404421202 is 202124404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 242393761 + 162027441 = 15569^2 + 12729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404421202.

It is not an unprimeable number, because it can be changed into a prime (404421203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105299 + ... + 101105302.

Almost surely, 2^404421202 is an apocalyptic number.

404421202 is a deficient number, since it is larger than the sum of its proper divisors (202210604).

404421202 is a wasteful number, since it uses less digits than its factorization.

404421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202210603.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 404421202 is about 20110.2263040474. The cubic root of 404421202 is about 739.5110002854.

Adding to 404421202 its reverse (202124404), we get a palindrome (606545606).

The spelling of 404421202 in words is "four hundred four million, four hundred twenty-one thousand, two hundred two".