22200044 has 6 divisors (see below), whose sum is σ = 38850084. Its totient is φ = 11100020.

The previous prime is 22200043. The next prime is 22200047. The reversal of 22200044 is 44000222.

It is a happy number.

It is a super-3 number, since 3×22200044³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22200043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775002 + ... + 2775009.

It is an arithmetic number, because the mean of its divisors is an integer number (6475014).

Almost surely, 2^22200044 is an apocalyptic number.

It is an amenable number.

22200044 is a deficient number, since it is larger than the sum of its proper divisors (16650040).

22200044 is a wasteful number, since it uses less digits than its factorization.

22200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550015 (or 5550013 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22200044 is about 4711.6922649935. The cubic root of 22200044 is about 281.0506614499.

Adding to 22200044 its reverse (44000222), we get a palindrome (66200266).

The spelling of 22200044 in words is "twenty-two million, two hundred thousand, forty-four".