1223220223330 has 32 divisors (see below), whose sum is σ = 2516380141824. Its totient is φ = 419382891456.

The previous prime is 1223220223319. The next prime is 1223220223339. The reversal of 1223220223330 is 333220223221.

It is a junction number, because it is equal to n+sod(n) for n = 1223220223295 and 1223220223304.

It is not an unprimeable number, because it can be changed into a prime (1223220223339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6010419 + ... + 6210601.

It is an arithmetic number, because the mean of its divisors is an integer number (78636879432).

Almost surely, 2^{1223220223330} is an apocalyptic number.

1223220223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223220223330 is an abundant number, since it is smaller than the sum of its proper divisors (1293159918494).

1223220223330 is a wasteful number, since it uses less digits than its factorization.

1223220223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287490.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1223220223330 its reverse (333220223221), we get a palindrome (1556440446551).

The spelling of 1223220223330 in words is "one trillion, two hundred twenty-three billion, two hundred twenty million, two hundred twenty-three thousand, three hundred thirty".