222211123002 has 144 divisors (see below), whose sum is σ = 570031547904. Its totient is φ = 62330875200.

The previous prime is 222211122989. The next prime is 222211123003. The reversal of 222211123002 is 200321112222.

222211123002 is a `hidden beast` number, since 222 + 211 + 1 + 230 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222211123003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1481368 + ... + 1624460.

It is an arithmetic number, because the mean of its divisors is an integer number (3958552416).

Almost surely, 2^222211123002 is an apocalyptic number.

222211123002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211123002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285015773952).

222211123002 is an abundant number, since it is smaller than the sum of its proper divisors (347820424902).

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

222211123002 is a wasteful number, since it uses less digits than its factorization.

222211123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143177 (or 143163 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222211123002 its reverse (200321112222), we get a palindrome (422532235224).

The spelling of 222211123002 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred twenty-three thousand, two".