400422113 has 16 divisors (see below), whose sum is σ = 504852096. Its totient is φ = 309087360.

The previous prime is 400422091. The next prime is 400422151. The reversal of 400422113 is 311224004.

It is a cyclic number.

It is not a de Polignac number, because 400422113 - 2¹⁰ = 400421089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400422091 and 400422100.

It is not an unprimeable number, because it can be changed into a prime (400422173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49931 + ... + 57392.

It is an arithmetic number, because the mean of its divisors is an integer number (31553256).

Almost surely, 2^400422113 is an apocalyptic number.

It is an amenable number.

400422113 is a deficient number, since it is larger than the sum of its proper divisors (104429983).

400422113 is a wasteful number, since it uses less digits than its factorization.

400422113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107384.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400422113 is about 20010.5500424151. The cubic root of 400422113 is about 737.0653882103.

Adding to 400422113 its reverse (311224004), we get a palindrome (711646117).

The spelling of 400422113 in words is "four hundred million, four hundred twenty-two thousand, one hundred thirteen".