2243870353 has 4 divisors (see below), whose sum is σ = 2250529060. Its totient is φ = 2237211648.

The previous prime is 2243870339. The next prime is 2243870371. The reversal of 2243870353 is 3530783422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205979904 + 2037890449 = 14352^2 + 45143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243870353 - 2¹³ = 2243862161 is a prime.

It is a super-2 number, since 2×2243870353² = 10069908322144689218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243870323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328848 + ... + 3329521.

It is an arithmetic number, because the mean of its divisors is an integer number (562632265).

Almost surely, 2^2243870353 is an apocalyptic number.

It is an amenable number.

2243870353 is a deficient number, since it is larger than the sum of its proper divisors (6658707).

2243870353 is an equidigital number, since it uses as much as digits as its factorization.

2243870353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658706.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2243870353 is about 47369.5086843847. The cubic root of 2243870353 is about 1309.1796726900.

The spelling of 2243870353 in words is "two billion, two hundred forty-three million, eight hundred seventy thousand, three hundred fifty-three".