22220202 has 32 divisors (see below), whose sum is σ = 46139904. Its totient is φ = 7128000.

The previous prime is 22220171. The next prime is 22220203. The reversal of 22220202 is 20202222.

It is not an unprimeable number, because it can be changed into a prime (22220203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21927 + ... + 22917.

It is an arithmetic number, because the mean of its divisors is an integer number (1441872).

Almost surely, 2^22220202 is an apocalyptic number.

22220202 is an abundant number, since it is smaller than the sum of its proper divisors (23919702).

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

22220202 is a wasteful number, since it uses less digits than its factorization.

22220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22220202 is about 4713.8309261152. The cubic root of 22220202 is about 281.1357019020.

Adding to 22220202 its reverse (20202222), we get a palindrome (42422424).

It can be divided in two parts, 22220 and 202, that added together give a palindrome (22422).

The spelling of 22220202 in words is "twenty-two million, two hundred twenty thousand, two hundred two".