1222220431441 has 4 divisors (see below), whose sum is σ = 1222246792192. Its totient is φ = 1222194070692.

The previous prime is 1222220431433. The next prime is 1222220431511. The reversal of 1222220431441 is 1441340222221.

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 not a de Polignac number, because 1222220431441 - 2³ = 1222220431433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222220431841) 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, 13110705 + ... + 13203598.

It is an arithmetic number, because the mean of its divisors is an integer number (305561698048).

Almost surely, 2^{1222220431441} is an apocalyptic number.

It is an amenable number.

1222220431441 is a deficient number, since it is larger than the sum of its proper divisors (26360751).

1222220431441 is an equidigital number, since it uses as much as digits as its factorization.

1222220431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360750.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1222220431441 its reverse (1441340222221), we get a palindrome (2663560653662).

The spelling of 1222220431441 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, four hundred thirty-one thousand, four hundred forty-one".