2211220223330 has 64 divisors (see below), whose sum is σ = 4274531896320. Its totient is φ = 821671747776.

The previous prime is 2211220223309. The next prime is 2211220223339. The reversal of 2211220223330 is 333220221122.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2211220223296 and 2211220223305.

It is not an unprimeable number, because it can be changed into a prime (2211220223339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144689 + ... + 2107931.

It is an arithmetic number, because the mean of its divisors is an integer number (66789560880).

Almost surely, 2^{2211220223330} is an apocalyptic number.

2211220223330 is a deficient number, since it is larger than the sum of its proper divisors (2063311672990).

2211220223330 is a wasteful number, since it uses less digits than its factorization.

2211220223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963415.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2211220223330 its reverse (333220221122), we get a palindrome (2544440444452).

The spelling of 2211220223330 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-three thousand, three hundred thirty".