22147343 has 2 divisors, whose sum is σ = 22147344. Its totient is φ = 22147342.

The previous prime is 22147337. The next prime is 22147351. The reversal of 22147343 is 34374122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22147343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22147313) 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 as a sum of consecutive naturals, namely, 11073671 + 11073672.

It is an arithmetic number, because the mean of its divisors is an integer number (11073672).

Almost surely, 2^22147343 is an apocalyptic number.

22147343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22147343 is an equidigital number, since it uses as much as digits as its factorization.

22147343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 22147343 is about 4706.0963653542. The cubic root of 22147343 is about 280.8280885139.

The spelling of 22147343 in words is "twenty-two million, one hundred forty-seven thousand, three hundred forty-three".