22122210210210 has 96 divisors (see below), whose sum is σ = 62747750744640. Its totient is φ = 5362864483200.

The previous prime is 22122210210209. The next prime is 22122210210253. The reversal of 22122210210210 is 1201201222122.

It is a happy number.

22122210210210 is a `hidden beast` number, since 2 + 21 + 2 + 221 + 0 + 210 + 210 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66747805 + ... + 67078415.

It is an arithmetic number, because the mean of its divisors is an integer number (653622403590).

Almost surely, 2^{22122210210210} is an apocalyptic number.

22122210210210 is an abundant number, since it is smaller than the sum of its proper divisors (40625540534430).

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

22122210210210 is a wasteful number, since it uses less digits than its factorization.

22122210210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398224 (or 398221 counting only the distinct ones).

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

Adding to 22122210210210 its reverse (1201201222122), we get a palindrome (23323411432332).

The spelling of 22122210210210 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred ten thousand, two hundred ten".