1205622404 has 24 divisors (see below), whose sum is σ = 2433372480. Its totient is φ = 511953696.

The previous prime is 1205622329. The next prime is 1205622421. The reversal of 1205622404 is 4042265021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194462 + ... + 200565.

It is an arithmetic number, because the mean of its divisors is an integer number (101390520).

Almost surely, 2^1205622404 is an apocalyptic number.

1205622404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1205622404 is an abundant number, since it is smaller than the sum of its proper divisors (1227750076).

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

1205622404 is a wasteful number, since it uses less digits than its factorization.

1205622404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395147 (or 395145 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1205622404 is about 34722.0737283936. The cubic root of 1205622404 is about 1064.3156216408.

Adding to 1205622404 its reverse (4042265021), we get a palindrome (5247887425).

The spelling of 1205622404 in words is "one billion, two hundred five million, six hundred twenty-two thousand, four hundred four".