404622030 has 32 divisors (see below), whose sum is σ = 994781088. Its totient is φ = 105267200.

The previous prime is 404622019. The next prime is 404622073. The reversal of 404622030 is 30226404.

It is a super-2 number, since 2×404622030² = 327437974322641800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404621988 and 404622006.

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 15 ways as a sum of consecutive naturals, for example, 163251 + ... + 165710.

It is an arithmetic number, because the mean of its divisors is an integer number (31086909).

Almost surely, 2^404622030 is an apocalyptic number.

404622030 is an abundant number, since it is smaller than the sum of its proper divisors (590159058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404622030 is a wasteful number, since it uses less digits than its factorization.

404622030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329012.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404622030 is about 20115.2188653268. The cubic root of 404622030 is about 739.6333891365.

Adding to 404622030 its reverse (30226404), we get a palindrome (434848434).

The spelling of 404622030 in words is "four hundred four million, six hundred twenty-two thousand, thirty".