22861236235656 has 192 divisors, whose sum is σ = 71607636878400. Its totient is φ = 6028557276672.

The previous prime is 22861236235583. The next prime is 22861236235657. The reversal of 22861236235656 is 65653263216822.

It is a happy number.

It is a super-2 number, since 2×22861236235656² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22861236235596 and 22861236235605.

It is not an unprimeable number, because it can be changed into a prime (22861236235657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123266211 + ... + 123451533.

It is an arithmetic number, because the mean of its divisors is an integer number (372956442075).

Almost surely, 2^{22861236235656} is an apocalyptic number.

22861236235656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22861236235656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35803818439200).

22861236235656 is an abundant number, since it is smaller than the sum of its proper divisors (48746400642744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22861236235656 is a wasteful number, since it uses less digits than its factorization.

22861236235656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193428 (or 193417 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 57.

The spelling of 22861236235656 in words is "twenty-two trillion, eight hundred sixty-one billion, two hundred thirty-six million, two hundred thirty-five thousand, six hundred fifty-six".