404022026 has 8 divisors (see below), whose sum is σ = 626930820. Its totient is φ = 195045088.

The previous prime is 404021999. The next prime is 404022041. The reversal of 404022026 is 620220404.

It can be written as a sum of positive squares in 2 ways, for example, as 364771801 + 39250225 = 19099^2 + 6265^2 .

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 = 404021989 and 404022007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3482891 + ... + 3483006.

Almost surely, 2^404022026 is an apocalyptic number.

404022026 is a deficient number, since it is larger than the sum of its proper divisors (222908794).

404022026 is a wasteful number, since it uses less digits than its factorization.

404022026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965928.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404022026 is about 20100.2991520027. The cubic root of 404022026 is about 739.2676135910.

The spelling of 404022026 in words is "four hundred four million, twenty-two thousand, twenty-six".