22147283 has 4 divisors (see below), whose sum is σ = 22309080. Its totient is φ = 21985488.

The previous prime is 22147259. The next prime is 22147289. The reversal of 22147283 is 38274122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22147283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22147289) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80693 + ... + 80966.

It is an arithmetic number, because the mean of its divisors is an integer number (5577270).

Almost surely, 2^22147283 is an apocalyptic number.

22147283 is a deficient number, since it is larger than the sum of its proper divisors (161797).

22147283 is a wasteful number, since it uses less digits than its factorization.

22147283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161796.

The product of its digits is 5376, while the sum is 29.

The square root of 22147283 is about 4706.0899906398. The cubic root of 22147283 is about 280.8278349138.

The spelling of 22147283 in words is "twenty-two million, one hundred forty-seven thousand, two hundred eighty-three".