22615222263 has 16 divisors (see below), whose sum is σ = 30258289152. Its totient is φ = 15024560000.

The previous prime is 22615222261. The next prime is 22615222291. The reversal of 22615222263 is 36222251622.

It is a cyclic number.

It is not a de Polignac number, because 22615222263 - 2¹ = 22615222261 is a prime.

It is a super-2 number, since 2×22615222263² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22615222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303858 + ... + 1321088.

It is an arithmetic number, because the mean of its divisors is an integer number (1891143072).

Almost surely, 2^22615222263 is an apocalyptic number.

22615222263 is a deficient number, since it is larger than the sum of its proper divisors (7643066889).

22615222263 is a wasteful number, since it uses less digits than its factorization.

22615222263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18726.

The product of its digits is 34560, while the sum is 33.

Adding to 22615222263 its reverse (36222251622), we get a palindrome (58837473885).

The spelling of 22615222263 in words is "twenty-two billion, six hundred fifteen million, two hundred twenty-two thousand, two hundred sixty-three".