22222043 has 8 divisors (see below), whose sum is σ = 23597568. Its totient is φ = 20854144.

The previous prime is 22221977. The next prime is 22222049. The reversal of 22222043 is 34022222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22222043 - 2²⁴ = 5444827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222049) 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 7 ways as a sum of consecutive naturals, for example, 4805 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (2949696).

Almost surely, 2^22222043 is an apocalyptic number.

22222043 is a deficient number, since it is larger than the sum of its proper divisors (1375525).

22222043 is a wasteful number, since it uses less digits than its factorization.

22222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22222043 is about 4714.0261984847. The cubic root of 22222043 is about 281.1434659558.

Adding to 22222043 its reverse (34022222), we get a palindrome (56244265).

The spelling of 22222043 in words is "twenty-two million, two hundred twenty-two thousand, forty-three".