22223021243 has 16 divisors (see below), whose sum is σ = 24556569600. Its totient is φ = 20028889440.

The previous prime is 22223021239. The next prime is 22223021273. The reversal of 22223021243 is 34212032222.

It is a cyclic number.

It is not a de Polignac number, because 22223021243 - 2² = 22223021239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223021273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284996 + ... + 354497.

It is an arithmetic number, because the mean of its divisors is an integer number (1534785600).

Almost surely, 2^22223021243 is an apocalyptic number.

22223021243 is a deficient number, since it is larger than the sum of its proper divisors (2333548357).

22223021243 is a wasteful number, since it uses less digits than its factorization.

22223021243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639602.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22223021243 its reverse (34212032222), we get a palindrome (56435053465).

The spelling of 22223021243 in words is "twenty-two billion, two hundred twenty-three million, twenty-one thousand, two hundred forty-three".