22200064 has 18 divisors (see below), whose sum is σ = 44313920. Its totient is φ = 11099904.

The previous prime is 22200047. The next prime is 22200077. The reversal of 22200064 is 46000222.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 43104 + ... + 43615.

Almost surely, 2^22200064 is an apocalyptic number.

It is an amenable number.

22200064 is a deficient number, since it is larger than the sum of its proper divisors (22113856).

22200064 is an frugal number, since it uses more digits than its factorization.

22200064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86735 (or 86721 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22200064 is about 4711.6943873728. The cubic root of 22200064 is about 281.0507458493.

Adding to 22200064 its reverse (46000222), we get a palindrome (68200286).

The spelling of 22200064 in words is "twenty-two million, two hundred thousand, sixty-four".