404122002 has 16 divisors (see below), whose sum is σ = 812477952. Its totient is φ = 134001680.

The previous prime is 404121997. The next prime is 404122003. The reversal of 404122002 is 200221404.

It is not an unprimeable number, because it can be changed into a prime (404122003) 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, 175173 + ... + 177464.

It is an arithmetic number, because the mean of its divisors is an integer number (50779872).

Almost surely, 2^404122002 is an apocalyptic number.

404122002 is an abundant number, since it is smaller than the sum of its proper divisors (408355950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404122002 is a wasteful number, since it uses less digits than its factorization.

404122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352833.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 404122002 is about 20102.7859263337. The cubic root of 404122002 is about 739.3285862763.

Adding to 404122002 its reverse (200221404), we get a palindrome (604343406).

The spelling of 404122002 in words is "four hundred four million, one hundred twenty-two thousand, two".