22615037243 has 4 divisors (see below), whose sum is σ = 22616455680. Its totient is φ = 22613618808.

The previous prime is 22615037231. The next prime is 22615037273. The reversal of 22615037243 is 34273051622.

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

It is a cyclic number.

It is not a de Polignac number, because 22615037243 - 2⁴ = 22615037227 is a prime.

It is a super-2 number, since 2×22615037243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22615037213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685028 + ... + 717281.

It is an arithmetic number, because the mean of its divisors is an integer number (5654113920).

Almost surely, 2^22615037243 is an apocalyptic number.

22615037243 is a deficient number, since it is larger than the sum of its proper divisors (1418437).

22615037243 is a wasteful number, since it uses less digits than its factorization.

22615037243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418436.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 22615037243 its reverse (34273051622), we get a palindrome (56888088865).

The spelling of 22615037243 in words is "twenty-two billion, six hundred fifteen million, thirty-seven thousand, two hundred forty-three".