401422330 has 32 divisors (see below), whose sum is σ = 734558544. Its totient is φ = 157925376.

The previous prime is 401422327. The next prime is 401422331. The reversal of 401422330 is 33224104.

It can be written as a sum of positive squares in 8 ways, for example, as 87104889 + 314317441 = 9333^2 + 17729^2 .

It is a super-2 number, since 2×401422330² = 322279774045257800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401422298 and 401422307.

It is not an unprimeable number, because it can be changed into a prime (401422331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153514 + ... + 156106.

Almost surely, 2^401422330 is an apocalyptic number.

401422330 is a deficient number, since it is larger than the sum of its proper divisors (333136214).

401422330 is a wasteful number, since it uses less digits than its factorization.

401422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401422330 is about 20035.5266963462. The cubic root of 401422330 is about 737.6785847329.

Adding to 401422330 its reverse (33224104), we get a palindrome (434646434).

The spelling of 401422330 in words is "four hundred one million, four hundred twenty-two thousand, three hundred thirty".