22244466887986 has 16 divisors (see below), whose sum is σ = 38133473120064. Its totient is φ = 9533317623984.

The previous prime is 22244466887953. The next prime is 22244466887987. The reversal of 22244466887986 is 68978866444222.

It is a happy number.

It is a super-2 number, since 2×22244466887986² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22244466887987) 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 7 ways as a sum of consecutive naturals, for example, 3946461 + ... + 7750063.

It is an arithmetic number, because the mean of its divisors is an integer number (2383342070004).

Almost surely, 2^{22244466887986} is an apocalyptic number.

22244466887986 is a deficient number, since it is larger than the sum of its proper divisors (15889006232078).

22244466887986 is a wasteful number, since it uses less digits than its factorization.

22244466887986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221345.

The product of its digits is 3567255552, while the sum is 76.

The spelling of 22244466887986 in words is "twenty-two trillion, two hundred forty-four billion, four hundred sixty-six million, eight hundred eighty-seven thousand, nine hundred eighty-six".