22421012043 has 16 divisors (see below), whose sum is σ = 30878724096. Its totient is φ = 14455936320.

The previous prime is 22421012011. The next prime is 22421012069. The reversal of 22421012043 is 34021012422.

It is not a de Polignac number, because 22421012043 - 2⁵ = 22421012011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22421012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71071 + ... + 223367.

It is an arithmetic number, because the mean of its divisors is an integer number (1929920256).

Almost surely, 2^22421012043 is an apocalyptic number.

22421012043 is a deficient number, since it is larger than the sum of its proper divisors (8457712053).

22421012043 is a wasteful number, since it uses less digits than its factorization.

22421012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153914.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22421012043 its reverse (34021012422), we get a palindrome (56442024465).

The spelling of 22421012043 in words is "twenty-two billion, four hundred twenty-one million, twelve thousand, forty-three".