22247149988 has 24 divisors (see below), whose sum is σ = 45696850752. Its totient is φ = 9276803424.

The previous prime is 22247149979. The next prime is 22247150047. The reversal of 22247149988 is 88994174222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10736006 + ... + 10738077.

It is an arithmetic number, because the mean of its divisors is an integer number (1904035448).

Almost surely, 2^22247149988 is an apocalyptic number.

22247149988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22247149988 is an abundant number, since it is smaller than the sum of its proper divisors (23449700764).

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

22247149988 is a wasteful number, since it uses less digits than its factorization.

22247149988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21474131 (or 21474129 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The spelling of 22247149988 in words is "twenty-two billion, two hundred forty-seven million, one hundred forty-nine thousand, nine hundred eighty-eight".