400422000002 has 16 divisors (see below), whose sum is σ = 637022031552. Its totient is φ = 188366727120.

The previous prime is 400422000001. The next prime is 400422000019. The reversal of 400422000002 is 200000224004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400422000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71348228 + ... + 71353839.

It is an arithmetic number, because the mean of its divisors is an integer number (39813876972).

Almost surely, 2^400422000002 is an apocalyptic number.

400422000002 is a deficient number, since it is larger than the sum of its proper divisors (236600031550).

400422000002 is a wasteful number, since it uses less digits than its factorization.

400422000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142702153.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 400422000002 its reverse (200000224004), we get a palindrome (600422224006).

The spelling of 400422000002 in words is "four hundred billion, four hundred twenty-two million, two", and thus it is an aban number.