403421422 has 4 divisors (see below), whose sum is σ = 605132136. Its totient is φ = 201710710.

The previous prime is 403421419. The next prime is 403421437. The reversal of 403421422 is 224124304.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 403421393 and 403421402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100855354 + ... + 100855357.

It is an arithmetic number, because the mean of its divisors is an integer number (151283034).

Almost surely, 2^403421422 is an apocalyptic number.

403421422 is a deficient number, since it is larger than the sum of its proper divisors (201710714).

403421422 is a wasteful number, since it uses less digits than its factorization.

403421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201710713.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 403421422 is about 20085.3534198430. The cubic root of 403421422 is about 738.9011094124.

Adding to 403421422 its reverse (224124304), we get a palindrome (627545726).

The spelling of 403421422 in words is "four hundred three million, four hundred twenty-one thousand, four hundred twenty-two".