404223051 has 4 divisors (see below), whose sum is σ = 538964072. Its totient is φ = 269482032.

The previous prime is 404223049. The next prime is 404223073. The reversal of 404223051 is 150322404.

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

It is not a de Polignac number, because 404223051 - 2¹ = 404223049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404223151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67370506 + ... + 67370511.

It is an arithmetic number, because the mean of its divisors is an integer number (134741018).

Almost surely, 2^404223051 is an apocalyptic number.

404223051 is a deficient number, since it is larger than the sum of its proper divisors (134741021).

404223051 is a wasteful number, since it uses less digits than its factorization.

404223051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134741020.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404223051 is about 20105.2990776064. The cubic root of 404223051 is about 739.3902031378.

Adding to 404223051 its reverse (150322404), we get a palindrome (554545455).

The spelling of 404223051 in words is "four hundred four million, two hundred twenty-three thousand, fifty-one".