22001020222 has 16 divisors (see below), whose sum is σ = 33305483952. Its totient is φ = 10899262080.

The previous prime is 22001020213. The next prime is 22001020229. The reversal of 22001020222 is 22202010022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001020229) 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, 677272 + ... + 709012.

It is an arithmetic number, because the mean of its divisors is an integer number (2081592747).

Almost surely, 2^22001020222 is an apocalyptic number.

22001020222 is a deficient number, since it is larger than the sum of its proper divisors (11304463730).

22001020222 is a wasteful number, since it uses less digits than its factorization.

22001020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

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

Adding to 22001020222 its reverse (22202010022), we get a palindrome (44203030244).

The spelling of 22001020222 in words is "twenty-two billion, one million, twenty thousand, two hundred twenty-two".