2243420255015 has 4 divisors (see below), whose sum is σ = 2692104306024. Its totient is φ = 1794736204008.

The previous prime is 2243420254991. The next prime is 2243420255029. The reversal of 2243420255015 is 5105520243422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243420255015 is a prime.

It is a super-2 number, since 2×2243420255015² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224342025497 + ... + 224342025506.

It is an arithmetic number, because the mean of its divisors is an integer number (673026076506).

Almost surely, 2^{2243420255015} is an apocalyptic number.

2243420255015 is a deficient number, since it is larger than the sum of its proper divisors (448684051009).

2243420255015 is an equidigital number, since it uses as much as digits as its factorization.

2243420255015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448684051008.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 2243420255015 its reverse (5105520243422), we get a palindrome (7348940498437).

The spelling of 2243420255015 in words is "two trillion, two hundred forty-three billion, four hundred twenty million, two hundred fifty-five thousand, fifteen".