22656116202261 has 16 divisors (see below), whose sum is σ = 30251615859648. Its totient is φ = 15082355120000.

The previous prime is 22656116202257. The next prime is 22656116202347. The reversal of 22656116202261 is 16220261165622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22656116202261 - 2² = 22656116202257 is a prime.

It is a Smith number, since the sum of its digits (42) 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 (22656116202221) 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 15 ways as a sum of consecutive naturals, for example, 10187761 + ... + 12210761.

It is an arithmetic number, because the mean of its divisors is an integer number (1890725991228).

Almost surely, 2^{22656116202261} is an apocalyptic number.

It is an amenable number.

22656116202261 is a deficient number, since it is larger than the sum of its proper divisors (7595499657387).

22656116202261 is a wasteful number, since it uses less digits than its factorization.

22656116202261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028372.

The product of its (nonzero) digits is 207360, while the sum is 42.

Adding to 22656116202261 its reverse (16220261165622), we get a palindrome (38876377367883).

The spelling of 22656116202261 in words is "twenty-two trillion, six hundred fifty-six billion, one hundred sixteen million, two hundred two thousand, two hundred sixty-one".