1220604466 has 16 divisors (see below), whose sum is σ = 1843732800. Its totient is φ = 606042000.

The previous prime is 1220604443. The next prime is 1220604529. The reversal of 1220604466 is 6644060221.

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, 171715 + ... + 178681.

It is an arithmetic number, because the mean of its divisors is an integer number (115233300).

Almost surely, 2^1220604466 is an apocalyptic number.

1220604466 is a deficient number, since it is larger than the sum of its proper divisors (623128334).

1220604466 is a wasteful number, since it uses less digits than its factorization.

1220604466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1220604466 is about 34937.1502272295. The cubic root of 1220604466 is about 1068.7061736597.

Adding to 1220604466 its reverse (6644060221), we get a palindrome (7864664687).

The spelling of 1220604466 in words is "one billion, two hundred twenty million, six hundred four thousand, four hundred sixty-six".