22147983 has 24 divisors (see below), whose sum is σ = 37586640. Its totient is φ = 12389760.

The previous prime is 22147963. The next prime is 22147997. The reversal of 22147983 is 38974122.

It is not a de Polignac number, because 22147983 - 2¹² = 22143887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7318 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (1566110).

Almost surely, 2^22147983 is an apocalyptic number.

22147983 is a deficient number, since it is larger than the sum of its proper divisors (15438657).

22147983 is a wasteful number, since it uses less digits than its factorization.

22147983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17239 (or 17236 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 22147983 is about 4706.1643617706. The cubic root of 22147983 is about 280.8307935524.

The spelling of 22147983 in words is "twenty-two million, one hundred forty-seven thousand, nine hundred eighty-three".