2173200404 has 6 divisors (see below), whose sum is σ = 3803100714. Its totient is φ = 1086600200.

The previous prime is 2173200401. The next prime is 2173200413. The reversal of 2173200404 is 4040023712.

It can be written as a sum of positive squares in only one way, i.e., 1295856004 + 877344400 = 35998^2 + 29620^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2173200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173200401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271650047 + ... + 271650054.

It is an arithmetic number, because the mean of its divisors is an integer number (633850119).

Almost surely, 2^2173200404 is an apocalyptic number.

It is an amenable number.

2173200404 is a deficient number, since it is larger than the sum of its proper divisors (1629900310).

2173200404 is a wasteful number, since it uses less digits than its factorization.

2173200404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543300105 (or 543300103 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2173200404 is about 46617.5975785969. The cubic root of 2173200404 is about 1295.2887464540.

The spelling of 2173200404 in words is "two billion, one hundred seventy-three million, two hundred thousand, four hundred four".