1222231411 has 4 divisors (see below), whose sum is σ = 1286559400. Its totient is φ = 1157903424.

The previous prime is 1222231399. The next prime is 1222231427. The reversal of 1222231411 is 1141322221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1141322221 = 13 ⋅87794017.

It is a cyclic number.

It is not a de Polignac number, because 1222231411 - 2⁵ = 1222231379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 64327969 = 1222231411 / (1 + 2 + 2 + 2 + 2 + 3 + 1 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222231811) 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, 32163966 + ... + 32164003.

It is an arithmetic number, because the mean of its divisors is an integer number (321639850).

Almost surely, 2^1222231411 is an apocalyptic number.

1222231411 is a deficient number, since it is larger than the sum of its proper divisors (64327989).

1222231411 is an equidigital number, since it uses as much as digits as its factorization.

1222231411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64327988.

The product of its digits is 192, while the sum is 19.

The square root of 1222231411 is about 34960.4263560958. The cubic root of 1222231411 is about 1069.1807893846.

Adding to 1222231411 its reverse (1141322221), we get a palindrome (2363553632).

The spelling of 1222231411 in words is "one billion, two hundred twenty-two million, two hundred thirty-one thousand, four hundred eleven".