22135664 has 10 divisors (see below), whose sum is σ = 42887880. Its totient is φ = 11067824.

The previous prime is 22135651. The next prime is 22135693. The reversal of 22135664 is 46653122.

It is a congruent number.

It is an unprimeable number.

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, 691724 + ... + 691755.

It is an arithmetic number, because the mean of its divisors is an integer number (4288788).

Almost surely, 2^22135664 is an apocalyptic number.

It is an amenable number.

22135664 is a deficient number, since it is larger than the sum of its proper divisors (20752216).

22135664 is a wasteful number, since it uses less digits than its factorization.

22135664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383487 (or 1383481 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 22135664 is about 4704.8553644081. The cubic root of 22135664 is about 280.7787166332.

Adding to 22135664 its reverse (46653122), we get a palindrome (68788786).

The spelling of 22135664 in words is "twenty-two million, one hundred thirty-five thousand, six hundred sixty-four".