1220223223241 has 4 divisors (see below), whose sum is σ = 1331152607184. Its totient is φ = 1109293839300.

The previous prime is 1220223223231. The next prime is 1220223223249. The reversal of 1220223223241 is 1423223220221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220223223241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220223223241.

It is not an unprimeable number, because it can be changed into a prime (1220223223249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55464691955 + ... + 55464691976.

It is an arithmetic number, because the mean of its divisors is an integer number (332788151796).

Almost surely, 2^{1220223223241} is an apocalyptic number.

1220223223241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220223223241 is a deficient number, since it is larger than the sum of its proper divisors (110929383943).

1220223223241 is a wasteful number, since it uses less digits than its factorization.

1220223223241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110929383942.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1220223223241 its reverse (1423223220221), we get a palindrome (2643446443462).

The spelling of 1220223223241 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred forty-one".