22242143018 has 32 divisors (see below), whose sum is σ = 35509415040. Its totient is φ = 10412592640.

The previous prime is 22242143017. The next prime is 22242143087. The reversal of 22242143018 is 81034124222.

It is a super-2 number, since 2×22242143018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22242143017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9110678 + ... + 9113118.

It is an arithmetic number, because the mean of its divisors is an integer number (1109669220).

Almost surely, 2^22242143018 is an apocalyptic number.

22242143018 is a deficient number, since it is larger than the sum of its proper divisors (13267272022).

22242143018 is a wasteful number, since it uses less digits than its factorization.

22242143018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 22242143018 in words is "twenty-two billion, two hundred forty-two million, one hundred forty-three thousand, eighteen".