400022422424 has 16 divisors (see below), whose sum is σ = 750451704720. Its totient is φ = 199901967840.

The previous prime is 400022422411. The next prime is 400022422447. The reversal of 400022422424 is 424224220004.

It is a junction number, because it is equal to n+sod(n) for n = 400022422393 and 400022422402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13639859 + ... + 13669154.

It is an arithmetic number, because the mean of its divisors is an integer number (46903231545).

Almost surely, 2^400022422424 is an apocalyptic number.

It is an amenable number.

400022422424 is a deficient number, since it is larger than the sum of its proper divisors (350429282296).

400022422424 is a wasteful number, since it uses less digits than its factorization.

400022422424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27310850 (or 27310846 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 400022422424 its reverse (424224220004), we get a palindrome (824246642428).

The spelling of 400022422424 in words is "four hundred billion, twenty-two million, four hundred twenty-two thousand, four hundred twenty-four".