404422023 has 16 divisors (see below), whose sum is σ = 558465120. Its totient is φ = 260018304.

The previous prime is 404422013. The next prime is 404422033. The reversal of 404422023 is 320224404.

It is an interprime number because it is at equal distance from previous prime (404422013) and next prime (404422033).

It is not a de Polignac number, because 404422023 - 2¹³ = 404413831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404422013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92965 + ... + 97217.

It is an arithmetic number, because the mean of its divisors is an integer number (34904070).

Almost surely, 2^404422023 is an apocalyptic number.

404422023 is a deficient number, since it is larger than the sum of its proper divisors (154043097).

404422023 is a wasteful number, since it uses less digits than its factorization.

404422023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404422023 is about 20110.2467165373. The cubic root of 404422023 is about 739.5115007028.

Adding to 404422023 its reverse (320224404), we get a palindrome (724646427).

The spelling of 404422023 in words is "four hundred four million, four hundred twenty-two thousand, twenty-three".