22271220210 has 32 divisors (see below), whose sum is σ = 53473001472. Its totient is φ = 5936539520.

The previous prime is 22271220199. The next prime is 22271220233. The reversal of 22271220210 is 1202217222.

It is a Curzon number.

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, 78834 + ... + 225293.

It is an arithmetic number, because the mean of its divisors is an integer number (1671031296).

Almost surely, 2^22271220210 is an apocalyptic number.

22271220210 is an abundant number, since it is smaller than the sum of its proper divisors (31201781262).

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

22271220210 is a wasteful number, since it uses less digits than its factorization.

22271220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306578.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 22271220210 its reverse (1202217222), we get a palindrome (23473437432).

The spelling of 22271220210 in words is "twenty-two billion, two hundred seventy-one million, two hundred twenty thousand, two hundred ten".