2204643402 has 48 divisors (see below), whose sum is σ = 5446775880. Its totient is φ = 638447616.

The previous prime is 2204643401. The next prime is 2204643421. The reversal of 2204643402 is 2043464022.

2204643402 is a `hidden beast` number, since 220 + 4 + 6 + 434 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1758208761 + 446434641 = 41931^2 + 21129^2 .

It is not an unprimeable number, because it can be changed into a prime (2204643401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273127 + ... + 281082.

Almost surely, 2^2204643402 is an apocalyptic number.

2204643402 is an abundant number, since it is smaller than the sum of its proper divisors (3242132478).

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

2204643402 is a wasteful number, since it uses less digits than its factorization.

2204643402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554247 (or 554244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2204643402 is about 46953.6303388780. The cubic root of 2204643402 is about 1301.5058294376.

The spelling of 2204643402 in words is "two billion, two hundred four million, six hundred forty-three thousand, four hundred two".