22212122220210 has 32 divisors (see below), whose sum is σ = 57409792816320. Its totient is φ = 5467599315648.

The previous prime is 22212122220179. The next prime is 22212122220227. The reversal of 22212122220210 is 1202222121222.

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 15 ways as a sum of consecutive naturals, for example, 28477079380 + ... + 28477080159.

It is an arithmetic number, because the mean of its divisors is an integer number (1794056025510).

Almost surely, 2^{22212122220210} is an apocalyptic number.

22212122220210 is an abundant number, since it is smaller than the sum of its proper divisors (35197670596110).

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

22212122220210 is a wasteful number, since it uses less digits than its factorization.

22212122220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56954159562.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22212122220210 its reverse (1202222121222), we get a palindrome (23414344341432).

The spelling of 22212122220210 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred ten".