32000400022 has 4 divisors (see below), whose sum is σ = 48000600036. Its totient is φ = 16000200010.

The previous prime is 32000400017. The next prime is 32000400023. The reversal of 32000400022 is 22000400023.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 32000399975 and 32000400011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32000400023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000100004 + ... + 8000100007.

It is an arithmetic number, because the mean of its divisors is an integer number (12000150009).

Almost surely, 2^32000400022 is an apocalyptic number.

32000400022 is a deficient number, since it is larger than the sum of its proper divisors (16000200014).

32000400022 is a wasteful number, since it uses less digits than its factorization.

32000400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000200013.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 32000400022 its reverse (22000400023), we get a palindrome (54000800045).

Subtracting from 32000400022 its reverse (22000400023), we obtain a palindrome (9999999999).

The spelling of 32000400022 in words is "thirty-two billion, four hundred thousand, twenty-two".