2203321145 has 8 divisors (see below), whose sum is σ = 2658594120. Its totient is φ = 1752917760.

The previous prime is 2203321123. The next prime is 2203321151. The reversal of 2203321145 is 5411233022.

It can be written as a sum of positive squares in 4 ways, for example, as 17197609 + 2186123536 = 4147^2 + 46756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2203321145 - 2²⁴ = 2186543929 is a prime.

It is a super-2 number, since 2×2203321145² = 9709248136008222050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2203321145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216400 + ... + 1218209.

It is an arithmetic number, because the mean of its divisors is an integer number (332324265).

Almost surely, 2^2203321145 is an apocalyptic number.

It is an amenable number.

2203321145 is a deficient number, since it is larger than the sum of its proper divisors (455272975).

2203321145 is a wasteful number, since it uses less digits than its factorization.

2203321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434795.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2203321145 is about 46939.5477715753. The cubic root of 2203321145 is about 1301.2455803418.

Adding to 2203321145 its reverse (5411233022), we get a palindrome (7614554167).

The spelling of 2203321145 in words is "two billion, two hundred three million, three hundred twenty-one thousand, one hundred forty-five".