22012064 has 24 divisors (see below), whose sum is σ = 43661268. Its totient is φ = 10923520.

The previous prime is 22012057. The next prime is 22012069. The reversal of 22012064 is 46021022.

It can be written as a sum of positive squares in 2 ways, for example, as 20322064 + 1690000 = 4508^2 + 1300^2 .

It is not an unprimeable number, because it can be changed into a prime (22012069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874 + ... + 6894.

Almost surely, 2^22012064 is an apocalyptic number.

It is an amenable number.

22012064 is a deficient number, since it is larger than the sum of its proper divisors (21649204).

22012064 is a wasteful number, since it uses less digits than its factorization.

22012064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22012064 is about 4691.7016102902. The cubic root of 22012064 is about 280.2551415889.

Adding to 22012064 its reverse (46021022), we get a palindrome (68033086).

The spelling of 22012064 in words is "twenty-two million, twelve thousand, sixty-four".