222311311002 has 72 divisors (see below), whose sum is σ = 552463303392. Its totient is φ = 64438046640.

The previous prime is 222311310973. The next prime is 222311311049. The reversal of 222311311002 is 200113113222.

222311311002 is a `hidden beast` number, since 222 + 311 + 31 + 100 + 2 = 666.

222311311002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2168848 + ... + 2269035.

It is an arithmetic number, because the mean of its divisors is an integer number (7673101436).

Almost surely, 2^222311311002 is an apocalyptic number.

222311311002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222311311002 is an abundant number, since it is smaller than the sum of its proper divisors (330151992390).

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

222311311002 is a wasteful number, since it uses less digits than its factorization.

222311311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437936 (or 4437922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 222311311002 its reverse (200113113222), we get a palindrome (422424424224).

The spelling of 222311311002 in words is "two hundred twenty-two billion, three hundred eleven million, three hundred eleven thousand, two".