1229217404 has 24 divisors (see below), whose sum is σ = 2210906880. Its totient is φ = 597554496.

The previous prime is 1229217401. The next prime is 1229217427. The reversal of 1229217404 is 4047129221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229217401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293477 + ... + 297635.

It is an arithmetic number, because the mean of its divisors is an integer number (92121120).

Almost surely, 2^1229217404 is an apocalyptic number.

It is an amenable number.

1229217404 is a deficient number, since it is larger than the sum of its proper divisors (981689476).

1229217404 is a wasteful number, since it uses less digits than its factorization.

1229217404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197 (or 6195 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1229217404 is about 35060.1968619687. The cubic root of 1229217404 is about 1071.2139841759.

The spelling of 1229217404 in words is "one billion, two hundred twenty-nine million, two hundred seventeen thousand, four hundred four".