22221000202 has 8 divisors (see below), whose sum is σ = 33733084896. Its totient is φ = 10976638572.

The previous prime is 22221000187. The next prime is 22221000209. The reversal of 22221000202 is 20200012222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22221000209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66930558 + ... + 66930889.

It is an arithmetic number, because the mean of its divisors is an integer number (4216635612).

Almost surely, 2^22221000202 is an apocalyptic number.

22221000202 is a deficient number, since it is larger than the sum of its proper divisors (11512084694).

22221000202 is a wasteful number, since it uses less digits than its factorization.

22221000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133861532.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22221000202 its reverse (20200012222), we get a palindrome (42421012424).

The spelling of 22221000202 in words is "twenty-two billion, two hundred twenty-one million, two hundred two", and thus it is an aban number.