22287947038 has 24 divisors (see below), whose sum is σ = 38904721632. Its totient is φ = 9548409024.

The previous prime is 22287947027. The next prime is 22287947047. The reversal of 22287947038 is 83074978222.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 230070 + ... + 312262.

It is an arithmetic number, because the mean of its divisors is an integer number (1621030068).

Almost surely, 2^22287947038 is an apocalyptic number.

22287947038 is a deficient number, since it is larger than the sum of its proper divisors (16616774594).

22287947038 is a wasteful number, since it uses less digits than its factorization.

22287947038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84976 (or 84969 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 22287947038 in words is "twenty-two billion, two hundred eighty-seven million, nine hundred forty-seven thousand, thirty-eight".