2311222212224 has 32 divisors (see below), whose sum is σ = 4610238758400. Its totient is φ = 1154142680832.

The previous prime is 2311222212203. The next prime is 2311222212253. The reversal of 2311222212224 is 4222122221132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2311222212224² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311222212193 and 2311222212202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11370944 + ... + 11572415.

It is an arithmetic number, because the mean of its divisors is an integer number (144069961200).

Almost surely, 2^{2311222212224} is an apocalyptic number.

It is an amenable number.

2311222212224 is a deficient number, since it is larger than the sum of its proper divisors (2299016546176).

2311222212224 is an equidigital number, since it uses as much as digits as its factorization.

2311222212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22944160 (or 22944148 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 2311222212224 its reverse (4222122221132), we get a palindrome (6533344433356).

The spelling of 2311222212224 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty-four".