22118064 has 20 divisors (see below), whose sum is σ = 57138456. Its totient is φ = 7372672.

The previous prime is 22118053. The next prime is 22118069. The reversal of 22118064 is 46081122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22118069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230349 + ... + 230444.

Almost surely, 2^22118064 is an apocalyptic number.

22118064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22118064 is an abundant number, since it is smaller than the sum of its proper divisors (35020392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22118064 is a wasteful number, since it uses less digits than its factorization.

22118064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460804 (or 460798 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22118064 is about 4702.9845842826. The cubic root of 22118064 is about 280.7042814637.

Adding to 22118064 its reverse (46081122), we get a palindrome (68199186).

The spelling of 22118064 in words is "twenty-two million, one hundred eighteen thousand, sixty-four".