22422043 has 4 divisors (see below), whose sum is σ = 25625200. Its totient is φ = 19218888.

The previous prime is 22422041. The next prime is 22422067. The reversal of 22422043 is 34022422.

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

It is a cyclic number.

It is not a de Polignac number, because 22422043 - 2¹ = 22422041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22422043.

It is not an unprimeable number, because it can be changed into a prime (22422041) 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 3 ways as a sum of consecutive naturals, for example, 1601568 + ... + 1601581.

It is an arithmetic number, because the mean of its divisors is an integer number (6406300).

Almost surely, 2^22422043 is an apocalyptic number.

22422043 is a deficient number, since it is larger than the sum of its proper divisors (3203157).

22422043 is an equidigital number, since it uses as much as digits as its factorization.

22422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203156.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22422043 is about 4735.1919707653. The cubic root of 22422043 is about 281.9843854004.

Adding to 22422043 its reverse (34022422), we get a palindrome (56444465).

The spelling of 22422043 in words is "twenty-two million, four hundred twenty-two thousand, forty-three".