404222434 has 32 divisors (see below), whose sum is σ = 758719872. Its totient is φ = 156912000.

The previous prime is 404222431. The next prime is 404222437. The reversal of 404222434 is 434222404.

It is an interprime number because it is at equal distance from previous prime (404222431) and next prime (404222437).

It is a super-2 number, since 2×404222434² = 326791552297768712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404222399 and 404222408.

It is not an unprimeable number, because it can be changed into a prime (404222431) 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, 38604 + ... + 47944.

It is an arithmetic number, because the mean of its divisors is an integer number (23709996).

Almost surely, 2^404222434 is an apocalyptic number.

404222434 is a deficient number, since it is larger than the sum of its proper divisors (354497438).

404222434 is a wasteful number, since it uses less digits than its factorization.

404222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404222434 is about 20105.2837333871. The cubic root of 404222434 is about 739.3898269396.

Adding to 404222434 its reverse (434222404), we get a palindrome (838444838).

The spelling of 404222434 in words is "four hundred four million, two hundred twenty-two thousand, four hundred thirty-four".