20222343 has 6 divisors (see below), whose sum is σ = 29210064. Its totient is φ = 13481556.

The previous prime is 20222329. The next prime is 20222351. The reversal of 20222343 is 34322202.

It is not a de Polignac number, because 20222343 - 2⁸ = 20222087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123455 + ... + 1123472.

It is an arithmetic number, because the mean of its divisors is an integer number (4868344).

Almost surely, 2^20222343 is an apocalyptic number.

20222343 is a deficient number, since it is larger than the sum of its proper divisors (8987721).

20222343 is a wasteful number, since it uses less digits than its factorization.

20222343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246933 (or 2246930 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20222343 is about 4496.9259500241. The cubic root of 20222343 is about 272.4439432429.

Adding to 20222343 its reverse (34322202), we get a palindrome (54544545).

The spelling of 20222343 in words is "twenty million, two hundred twenty-two thousand, three hundred forty-three".