400422242422 has 16 divisors (see below), whose sum is σ = 626908146912. Its totient is φ = 191457312640.

The previous prime is 400422242377. The next prime is 400422242431. The reversal of 400422242422 is 224242224004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 930979 + ... + 1291342.

It is an arithmetic number, because the mean of its divisors is an integer number (39181759182).

Almost surely, 2^400422242422 is an apocalyptic number.

400422242422 is a deficient number, since it is larger than the sum of its proper divisors (226485904490).

400422242422 is a wasteful number, since it uses less digits than its factorization.

400422242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226263.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 400422242422 its reverse (224242224004), we get a palindrome (624664466426).

The spelling of 400422242422 in words is "four hundred billion, four hundred twenty-two million, two hundred forty-two thousand, four hundred twenty-two".