22200020224 has 18 divisors (see below), whose sum is σ = 44313322130. Its totient is φ = 11100009984.

The previous prime is 22200020221. The next prime is 22200020267. The reversal of 22200020224 is 42202000222.

It can be written as a sum of positive squares in only one way, i.e., 22032058624 + 167961600 = 148432^2 + 12960^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22200020198 and 22200020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200020221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43359159 + ... + 43359670.

Almost surely, 2^22200020224 is an apocalyptic number.

It is an amenable number.

22200020224 is a deficient number, since it is larger than the sum of its proper divisors (22113301906).

22200020224 is an frugal number, since it uses more digits than its factorization.

22200020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86718845 (or 86718831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22200020224 its reverse (42202000222), we get a palindrome (64402020446).

The spelling of 22200020224 in words is "twenty-two billion, two hundred million, twenty thousand, two hundred twenty-four".