22073142464 has 14 divisors (see below), whose sum is σ = 43801392204. Its totient is φ = 11036571200.

The previous prime is 22073142449. The next prime is 22073142467. The reversal of 22073142464 is 46424137022.

It is not an unprimeable number, because it can be changed into a prime (22073142467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172446362 + ... + 172446489.

Almost surely, 2^22073142464 is an apocalyptic number.

It is an amenable number.

22073142464 is a deficient number, since it is larger than the sum of its proper divisors (21728249740).

22073142464 is an equidigital number, since it uses as much as digits as its factorization.

22073142464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344892863 (or 344892853 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 22073142464 its reverse (46424137022), we get a palindrome (68497279486).

The spelling of 22073142464 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, four hundred sixty-four".