22200022 has 16 divisors (see below), whose sum is σ = 37099440. Its totient is φ = 9892512.

The previous prime is 22200001. The next prime is 22200023. The reversal of 22200022 is 22000222.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22199981 and 22200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13968 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (2318715).

Almost surely, 2^22200022 is an apocalyptic number.

22200022 is a deficient number, since it is larger than the sum of its proper divisors (14899418).

22200022 is a wasteful number, since it uses less digits than its factorization.

22200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29487.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 22200022 is about 4711.6899303753. The cubic root of 22200022 is about 281.0505686105.

Adding to 22200022 its reverse (22000222), we get a palindrome (44200244).

It can be divided in two parts, 2 and 2200022, that multiplied together give a palindrome (4400044).

The spelling of 22200022 in words is "twenty-two million, two hundred thousand, twenty-two".