2215442353 has 4 divisors (see below), whose sum is σ = 2227682548. Its totient is φ = 2203202160.

The previous prime is 2215442297. The next prime is 2215442371. The reversal of 2215442353 is 3532445122.

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 120824064 + 2094618289 = 10992^2 + 45767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215442353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215442393) 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, 6119826 + ... + 6120187.

It is an arithmetic number, because the mean of its divisors is an integer number (556920637).

Almost surely, 2^2215442353 is an apocalyptic number.

It is an amenable number.

2215442353 is a deficient number, since it is larger than the sum of its proper divisors (12240195).

2215442353 is a wasteful number, since it uses less digits than its factorization.

2215442353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240194.

The product of its digits is 28800, while the sum is 31.

The square root of 2215442353 is about 47068.4857733919. The cubic root of 2215442353 is about 1303.6274139164.

Adding to 2215442353 its reverse (3532445122), we get a palindrome (5747887475).

The spelling of 2215442353 in words is "two billion, two hundred fifteen million, four hundred forty-two thousand, three hundred fifty-three".