222211122 has 32 divisors (see below), whose sum is σ = 521642112. Its totient is φ = 61772544.

The previous prime is 222211117. The next prime is 222211127. The reversal of 222211122 is 221112222.

It is an interprime number because it is at equal distance from previous prime (222211117) and next prime (222211127).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222211127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69943 + ... + 73050.

It is an arithmetic number, because the mean of its divisors is an integer number (16301316).

Almost surely, 2^222211122 is an apocalyptic number.

222211122 is an abundant number, since it is smaller than the sum of its proper divisors (299430990).

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

222211122 is a wasteful number, since it uses less digits than its factorization.

222211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143042.

The product of its digits is 64, while the sum is 15.

The square root of 222211122 is about 14906.7475325773. The cubic root of 222211122 is about 605.6967788883.

Adding to 222211122 its reverse (221112222), we get a palindrome (443323344).

It can be divided in two parts, 22 and 2211122, that multiplied together give a palindrome (48644684).

The spelling of 222211122 in words is "two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".