2243236642505 has 32 divisors (see below), whose sum is σ = 2899787641344. Its totient is φ = 1661515739136.

The previous prime is 2243236642499. The next prime is 2243236642561. The reversal of 2243236642505 is 5052466323422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2243236642505 - 2¹⁴ = 2243236626121 is a prime.

It is a super-2 number, since 2×2243236642505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544589 + ... + 2187018.

It is an arithmetic number, because the mean of its divisors is an integer number (90618363792).

Almost surely, 2^{2243236642505} is an apocalyptic number.

It is an amenable number.

2243236642505 is a deficient number, since it is larger than the sum of its proper divisors (656550998839).

2243236642505 is a wasteful number, since it uses less digits than its factorization.

2243236642505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731865.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 2243236642505 in words is "two trillion, two hundred forty-three billion, two hundred thirty-six million, six hundred forty-two thousand, five hundred five".