1604255229 has 12 divisors (see below), whose sum is σ = 2317868800. Its totient is φ = 1069221384.

The previous prime is 1604255207. The next prime is 1604255243. The reversal of 1604255229 is 9225524061.

1604255229 is a `hidden beast` number, since 1 + 6 + 0 + 425 + 5 + 229 = 666.

It is not a de Polignac number, because 1604255229 - 2⁵ = 1604255197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1604255193 and 1604255202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604255929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16002 + ... + 58860.

Almost surely, 2^1604255229 is an apocalyptic number.

It is an amenable number.

1604255229 is a deficient number, since it is larger than the sum of its proper divisors (713613571).

1604255229 is a wasteful number, since it uses less digits than its factorization.

1604255229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47024 (or 47021 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1604255229 is about 40053.1550442659. The cubic root of 1604255229 is about 1170.6430412112.

The spelling of 1604255229 in words is "one billion, six hundred four million, two hundred fifty-five thousand, two hundred twenty-nine".