22244466887988 has 48 divisors (see below), whose sum is σ = 52384735174464. Its totient is φ = 7346294475520.

The previous prime is 22244466887987. The next prime is 22244466888001. The reversal of 22244466887988 is 88978866444222.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10497195 + ... + 12437042.

It is an arithmetic number, because the mean of its divisors is an integer number (1091348649468).

Almost surely, 2^{22244466887988} is an apocalyptic number.

It is an amenable number.

22244466887988 is an abundant number, since it is smaller than the sum of its proper divisors (30140268286476).

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

22244466887988 is a wasteful number, since it uses less digits than its factorization.

22244466887988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22934992 (or 22934990 counting only the distinct ones).

The product of its digits is 4756340736, while the sum is 78.

The spelling of 22244466887988 in words is "twenty-two trillion, two hundred forty-four billion, four hundred sixty-six million, eight hundred eighty-seven thousand, nine hundred eighty-eight".