2209250804 has 12 divisors (see below), whose sum is σ = 3901659300. Its totient is φ = 1094491008.

The previous prime is 2209250801. The next prime is 2209250851. The reversal of 2209250804 is 4080529022.

It can be written as a sum of positive squares in 2 ways, for example, as 1142575204 + 1066675600 = 33802^2 + 32660^2 .

It is a super-2 number, since 2×2209250804² = 9761578229949292832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209250801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533109 + ... + 2533980.

It is an arithmetic number, because the mean of its divisors is an integer number (325138275).

Almost surely, 2^2209250804 is an apocalyptic number.

It is an amenable number.

2209250804 is a deficient number, since it is larger than the sum of its proper divisors (1692408496).

2209250804 is a wasteful number, since it uses less digits than its factorization.

2209250804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067202 (or 5067200 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2209250804 is about 47002.6680519308. The cubic root of 2209250804 is about 1302.4118547340.

Adding to 2209250804 its reverse (4080529022), we get a palindrome (6289779826).

The spelling of 2209250804 in words is "two billion, two hundred nine million, two hundred fifty thousand, eight hundred four".