22221242043 has 128 divisors (see below), whose sum is σ = 40665784320. Its totient is φ = 10420945920.

The previous prime is 22221242027. The next prime is 22221242047. The reversal of 22221242043 is 34024212222.

It is not a de Polignac number, because 22221242043 - 2⁴ = 22221242027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221242047) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36014671 + ... + 36015287.

It is an arithmetic number, because the mean of its divisors is an integer number (317701440).

Almost surely, 2^22221242043 is an apocalyptic number.

22221242043 is a deficient number, since it is larger than the sum of its proper divisors (18444542277).

22221242043 is a wasteful number, since it uses less digits than its factorization.

22221242043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22221242043 its reverse (34024212222), we get a palindrome (56245454265).

The spelling of 22221242043 in words is "twenty-two billion, two hundred twenty-one million, two hundred forty-two thousand, forty-three".