2311222002 has 16 divisors (see below), whose sum is σ = 4637310912. Its totient is φ = 767929520.

The previous prime is 2311221989. The next prime is 2311222009. The reversal of 2311222002 is 2002221132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2311222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617433 + ... + 621164.

It is an arithmetic number, because the mean of its divisors is an integer number (289831932).

Almost surely, 2^2311222002 is an apocalyptic number.

2311222002 is an abundant number, since it is smaller than the sum of its proper divisors (2326088910).

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

2311222002 is a wasteful number, since it uses less digits than its factorization.

2311222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238913.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2311222002 is about 48075.1703273114. The cubic root of 2311222002 is about 1322.1494674083.

Adding to 2311222002 its reverse (2002221132), we get a palindrome (4313443134).

The spelling of 2311222002 in words is "two billion, three hundred eleven million, two hundred twenty-two thousand, two".