403220122 has 4 divisors (see below), whose sum is σ = 604830186. Its totient is φ = 201610060.

The previous prime is 403220063. The next prime is 403220123. The reversal of 403220122 is 221022304.

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., 300987801 + 102232321 = 17349^2 + 10111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403220096 and 403220105.

It is not an unprimeable number, because it can be changed into a prime (403220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100805029 + ... + 100805032.

Almost surely, 2^403220122 is an apocalyptic number.

403220122 is a deficient number, since it is larger than the sum of its proper divisors (201610064).

403220122 is a wasteful number, since it uses less digits than its factorization.

403220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201610063.

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

The square root of 403220122 is about 20080.3416803599. The cubic root of 403220122 is about 738.7781895311.

Adding to 403220122 its reverse (221022304), we get a palindrome (624242426).

The spelling of 403220122 in words is "four hundred three million, two hundred twenty thousand, one hundred twenty-two".