400422000422 has 8 divisors (see below), whose sum is σ = 600678170400. Its totient is φ = 200195943624.

The previous prime is 400422000409. The next prime is 400422000479. The reversal of 400422000422 is 224000224004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 400422000394 and 400422000403.

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, 7495022 + ... + 7548257.

It is an arithmetic number, because the mean of its divisors is an integer number (75084771300).

Almost surely, 2^400422000422 is an apocalyptic number.

400422000422 is a deficient number, since it is larger than the sum of its proper divisors (200256169978).

400422000422 is a wasteful number, since it uses less digits than its factorization.

400422000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15056590.

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

Adding to 400422000422 its reverse (224000224004), we get a palindrome (624422224426).

The spelling of 400422000422 in words is "four hundred billion, four hundred twenty-two million, four hundred twenty-two", and thus it is an aban number.