22221020202 has 32 divisors (see below), whose sum is σ = 44911081152. Its totient is φ = 7328999424.

The previous prime is 22221020191. The next prime is 22221020203. The reversal of 22221020202 is 20202012222.

It is not an unprimeable number, because it can be changed into a prime (22221020203) 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, 527338 + ... + 567914.

It is an arithmetic number, because the mean of its divisors is an integer number (1403471286).

Almost surely, 2^22221020202 is an apocalyptic number.

22221020202 is an abundant number, since it is smaller than the sum of its proper divisors (22690060950).

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

22221020202 is a wasteful number, since it uses less digits than its factorization.

22221020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41542.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22221020202 its reverse (20202012222), we get a palindrome (42423032424).

The spelling of 22221020202 in words is "twenty-two billion, two hundred twenty-one million, twenty thousand, two hundred two".