222000022221222 has 32 divisors (see below), whose sum is σ = 509704086915072. Its totient is φ = 63144144690624.

The previous prime is 222000022221193. The next prime is 222000022221317. The reversal of 222000022221222 is 222122220000222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11851369143 + ... + 11851387874.

It is an arithmetic number, because the mean of its divisors is an integer number (15928252716096).

Almost surely, 2^{222000022221222} is an apocalyptic number.

222000022221222 is an abundant number, since it is smaller than the sum of its proper divisors (287704064693850).

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

222000022221222 is a wasteful number, since it uses less digits than its factorization.

222000022221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23702757252.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222000022221222 its reverse (222122220000222), we get a palindrome (444122242221444).

The spelling of 222000022221222 in words is "two hundred twenty-two trillion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".