22222212310210 has 64 divisors (see below), whose sum is σ = 46173481574400. Its totient is φ = 7615417694400.

The previous prime is 22222212310189. The next prime is 22222212310211. The reversal of 22222212310210 is 1201321222222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22222212310211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27434940 + ... + 28233319.

It is an arithmetic number, because the mean of its divisors is an integer number (721460649600).

Almost surely, 2^{22222212310210} is an apocalyptic number.

22222212310210 is an abundant number, since it is smaller than the sum of its proper divisors (23951269264190).

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

22222212310210 is a wasteful number, since it uses less digits than its factorization.

22222212310210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55668487.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22222212310210 its reverse (1201321222222), we get a palindrome (23423533532432).

The spelling of 22222212310210 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twelve million, three hundred ten thousand, two hundred ten".