400400460222 has 16 divisors (see below), whose sum is σ = 915201052032. Its totient is φ = 114400131480.

The previous prime is 400400460221. The next prime is 400400460281. The reversal of 400400460222 is 222064004004.

It is a junction number, because it is equal to n+sod(n) for n = 400400460192 and 400400460201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400400460221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766672104 + ... + 4766672187.

It is an arithmetic number, because the mean of its divisors is an integer number (57200065752).

Almost surely, 2^400400460222 is an apocalyptic number.

400400460222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

400400460222 is an abundant number, since it is smaller than the sum of its proper divisors (514800591810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400400460222 is a wasteful number, since it uses less digits than its factorization.

400400460222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533344303.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 400400460222 its reverse (222064004004), we get a palindrome (622464464226).

The spelling of 400400460222 in words is "four hundred billion, four hundred million, four hundred sixty thousand, two hundred twenty-two".