22536464 has 10 divisors (see below), whose sum is σ = 43664430. Its totient is φ = 11268224.

The previous prime is 22536463. The next prime is 22536467. The reversal of 22536464 is 46463522.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 258064 = 4720^2 + 508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22536464.

It is not an unprimeable number, because it can be changed into a prime (22536463) 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 as a sum of consecutive naturals, namely, 704249 + ... + 704280.

It is an arithmetic number, because the mean of its divisors is an integer number (4366443).

Almost surely, 2^22536464 is an apocalyptic number.

It is an amenable number.

22536464 is a deficient number, since it is larger than the sum of its proper divisors (21127966).

22536464 is a wasteful number, since it uses less digits than its factorization.

22536464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408537 (or 1408531 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 22536464 is about 4747.2585773265. The cubic root of 22536464 is about 282.4632327434.

Adding to 22536464 its reverse (46463522), we get a palindrome (68999986).

The spelling of 22536464 in words is "twenty-two million, five hundred thirty-six thousand, four hundred sixty-four".