403222401 has 16 divisors (see below), whose sum is σ = 603285120. Its totient is φ = 266151600.

The previous prime is 403222387. The next prime is 403222423. The reversal of 403222401 is 104222304.

403222401 is a `hidden beast` number, since 40 + 3 + 222 + 401 = 666.

It is not a de Polignac number, because 403222401 - 2⁷ = 403222273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403222441) 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 in 15 ways as a sum of consecutive naturals, for example, 71205 + ... + 76658.

It is an arithmetic number, because the mean of its divisors is an integer number (37705320).

Almost surely, 2^403222401 is an apocalyptic number.

It is an amenable number.

403222401 is a deficient number, since it is larger than the sum of its proper divisors (200062719).

403222401 is a wasteful number, since it uses less digits than its factorization.

403222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147973 (or 147967 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 403222401 is about 20080.3984273221. The cubic root of 403222401 is about 738.7795813865.

Adding to 403222401 its reverse (104222304), we get a palindrome (507444705).

The spelling of 403222401 in words is "four hundred three million, two hundred twenty-two thousand, four hundred one".