400424200022 has 64 divisors (see below), whose sum is σ = 761285952000. Its totient is φ = 153429914880.

The previous prime is 400424200013. The next prime is 400424200031. The reversal of 400424200022 is 220002424004.

It is an interprime number because it is at equal distance from previous prime (400424200013) and next prime (400424200031).

It is a junction number, because it is equal to n+sod(n) for n = 400424199967 and 400424200003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3872429 + ... + 3974487.

It is an arithmetic number, because the mean of its divisors is an integer number (11895093000).

Almost surely, 2^400424200022 is an apocalyptic number.

400424200022 is a deficient number, since it is larger than the sum of its proper divisors (360861751978).

400424200022 is a wasteful number, since it uses less digits than its factorization.

400424200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102501.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 400424200022 its reverse (220002424004), we get a palindrome (620426624026).

The spelling of 400424200022 in words is "four hundred billion, four hundred twenty-four million, two hundred thousand, twenty-two".