22001010222222 has 12 divisors (see below), whose sum is σ = 47668855481520. Its totient is φ = 7333670074068.

The previous prime is 22001010222221. The next prime is 22001010222319. The reversal of 22001010222222 is 22222201010022.

22001010222222 is a `hidden beast` number, since 2 + 200 + 10 + 10 + 222 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1222278345679 = 22001010222222 / (2 + 2 + 0 + 0 + 1 + 0 + 1 + 0 + 2 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22001010222195 and 22001010222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001010222221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611139172822 + ... + 611139172857.

It is an arithmetic number, because the mean of its divisors is an integer number (3972404623460).

Almost surely, 2^{22001010222222} is an apocalyptic number.

22001010222222 is an abundant number, since it is smaller than the sum of its proper divisors (25667845259298).

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

22001010222222 is a wasteful number, since it uses less digits than its factorization.

22001010222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222278345687 (or 1222278345684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22001010222222 its reverse (22222201010022), we get a palindrome (44223211232244).

The spelling of 22001010222222 in words is "twenty-two trillion, one billion, ten million, two hundred twenty-two thousand, two hundred twenty-two".