401328422 has 16 divisors (see below), whose sum is σ = 657068544. Its totient is φ = 182325000.

The previous prime is 401328413. The next prime is 401328437. The reversal of 401328422 is 224823104.

It is a super-2 number, since 2×401328422² = 322129004610020168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401328391 and 401328400.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52547 + ... + 59697.

It is an arithmetic number, because the mean of its divisors is an integer number (41066784).

Almost surely, 2^401328422 is an apocalyptic number.

401328422 is a deficient number, since it is larger than the sum of its proper divisors (255740122).

401328422 is a wasteful number, since it uses less digits than its factorization.

401328422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 401328422 is about 20033.1830221760. The cubic root of 401328422 is about 737.6210565238.

It can be divided in two parts, 401 and 328422, that added together give a palindrome (328823).

The spelling of 401328422 in words is "four hundred one million, three hundred twenty-eight thousand, four hundred twenty-two".