22002222201210 has 24 divisors (see below), whose sum is σ = 57205777723380. Its totient is φ = 5867259253632.

The previous prime is 22002222201163. The next prime is 22002222201217. The reversal of 22002222201210 is 1210222220022.

22002222201210 is a `hidden beast` number, since 2 + 200 + 222 + 220 + 1 + 21 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21955981289841 + 46240911369 = 4685721^2 + 215037^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22002222201217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122234567695 + ... + 122234567874.

Almost surely, 2^{22002222201210} is an apocalyptic number.

22002222201210 is an abundant number, since it is smaller than the sum of its proper divisors (35203555522170).

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

22002222201210 is a wasteful number, since it uses less digits than its factorization.

22002222201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244469135582 (or 244469135579 counting only the distinct ones).

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

Adding to 22002222201210 its reverse (1210222220022), we get a palindrome (23212444421232).

The spelling of 22002222201210 in words is "twenty-two trillion, two billion, two hundred twenty-two million, two hundred one thousand, two hundred ten".