401222330 has 8 divisors (see below), whose sum is σ = 722200212. Its totient is φ = 160488928.

The previous prime is 401222329. The next prime is 401222333. The reversal of 401222330 is 33222104.

It can be written as a sum of positive squares in 2 ways, for example, as 329023321 + 72199009 = 18139^2 + 8497^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 401222299 and 401222308.

It is not an unprimeable number, because it can be changed into a prime (401222333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20061107 + ... + 20061126.

Almost surely, 2^401222330 is an apocalyptic number.

401222330 is a deficient number, since it is larger than the sum of its proper divisors (320977882).

401222330 is a wasteful number, since it uses less digits than its factorization.

401222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40122240.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 401222330 is about 20030.5349404353. The cubic root of 401222330 is about 737.5560535773.

Adding to 401222330 its reverse (33222104), we get a palindrome (434444434).

The spelling of 401222330 in words is "four hundred one million, two hundred twenty-two thousand, three hundred thirty".