22232332064 has 12 divisors (see below), whose sum is σ = 43769903814. Its totient is φ = 11116166016.

The previous prime is 22232332061. The next prime is 22232332069. The reversal of 22232332064 is 46023323222.

It can be written as a sum of positive squares in only one way, i.e., 13112082064 + 9120250000 = 114508^2 + 95500^2 .

It is not an unprimeable number, because it can be changed into a prime (22232332061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347380157 + ... + 347380220.

Almost surely, 2^22232332064 is an apocalyptic number.

It is an amenable number.

22232332064 is a deficient number, since it is larger than the sum of its proper divisors (21537571750).

22232332064 is an equidigital number, since it uses as much as digits as its factorization.

22232332064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694760387 (or 694760379 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 22232332064 its reverse (46023323222), we get a palindrome (68255655286).

The spelling of 22232332064 in words is "twenty-two billion, two hundred thirty-two million, three hundred thirty-two thousand, sixty-four".