22222201110210 has 24 divisors (see below), whose sum is σ = 57777722886780. Its totient is φ = 5925920296032.

The previous prime is 22222201110173. The next prime is 22222201110227. The reversal of 22222201110210 is 1201110222222.

It is a happy number.

22222201110210 is a `hidden beast` number, since 2 + 222 + 220 + 1 + 1 + 10 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22203518867721 + 18682242489 = 4712061^2 + 136683^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123456672745 + ... + 123456672924.

Almost surely, 2^{22222201110210} is an apocalyptic number.

22222201110210 is an abundant number, since it is smaller than the sum of its proper divisors (35555521776570).

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

22222201110210 is a wasteful number, since it uses less digits than its factorization.

22222201110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246913345682 (or 246913345679 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22222201110210 its reverse (1201110222222), we get a palindrome (23423311332432).

The spelling of 22222201110210 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred one million, one hundred ten thousand, two hundred ten".