404242022 has 8 divisors (see below), whose sum is σ = 607220400. Its totient is φ = 201835224.

The previous prime is 404241977. The next prime is 404242079. The reversal of 404242022 is 220242404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×404242022² = 326823224701296968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404241985 and 404242003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141122 + ... + 143957.

It is an arithmetic number, because the mean of its divisors is an integer number (75902550).

Almost surely, 2^404242022 is an apocalyptic number.

404242022 is a deficient number, since it is larger than the sum of its proper divisors (202978378).

404242022 is a wasteful number, since it uses less digits than its factorization.

404242022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285790.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404242022 is about 20105.7708631129. The cubic root of 404242022 is about 739.4017699795.

Adding to 404242022 its reverse (220242404), we get a palindrome (624484426).

It can be divided in two parts, 4042 and 42022, that added together give a palindrome (46064).

The spelling of 404242022 in words is "four hundred four million, two hundred forty-two thousand, twenty-two".