22286249442 has 90 divisors (see below), whose sum is σ = 51486267987. Its totient is φ = 7205171616.

The previous prime is 22286249437. The next prime is 22286249449. The reversal of 22286249442 is 24494268222.

It can be written as a sum of positive squares in 5 ways, for example, as 9116621361 + 13169628081 = 95481^2 + 114759^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105561.

It is a super-3 number, since 3×22286249442³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22286249449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 70303468 + ... + 70303784.

Almost surely, 2^22286249442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22286249442

22286249442 is an abundant number, since it is smaller than the sum of its proper divisors (29200018545).

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

22286249442 is an frugal number, since it uses more digits than its factorization.

22286249442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 359 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The spelling of 22286249442 in words is "twenty-two billion, two hundred eighty-six million, two hundred forty-nine thousand, four hundred forty-two".