222211122220022 has 16 divisors (see below), whose sum is σ = 359252352760560. Its totient is φ = 102474429612192.

The previous prime is 222211122220001. The next prime is 222211122220067. The reversal of 222211122220022 is 220022221112222.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222211122220022.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3522879272 + ... + 3522942347.

It is an arithmetic number, because the mean of its divisors is an integer number (22453272047535).

Almost surely, 2^{222211122220022} is an apocalyptic number.

222211122220022 is a deficient number, since it is larger than the sum of its proper divisors (137041230540538).

222211122220022 is a wasteful number, since it uses less digits than its factorization.

222211122220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045822847.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222211122220022 its reverse (220022221112222), we get a palindrome (442233343332244).

The spelling of 222211122220022 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, twenty-two".