22366457568 has 576 divisors, whose sum is σ = 81366405120. Its totient is φ = 5671378944.

The previous prime is 22366457557. The next prime is 22366457569. The reversal of 22366457568 is 86575466322.

22366457568 is a `hidden beast` number, since 2 + 2 + 3 + 6 + 6 + 4 + 575 + 68 = 666.

It is a super-2 number, since 2×22366457568² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22366457569) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100297905 + ... + 100298127.

It is an arithmetic number, because the mean of its divisors is an integer number (141261120).

Almost surely, 2^22366457568 is an apocalyptic number.

22366457568 is a gapful number since it is divisible by the number (28) 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 22366457568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40683202560).

22366457568 is an abundant number, since it is smaller than the sum of its proper divisors (58999947552).

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

22366457568 is a wasteful number, since it uses less digits than its factorization.

22366457568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 380 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 22366457568 in words is "twenty-two billion, three hundred sixty-six million, four hundred fifty-seven thousand, five hundred sixty-eight".