1222311441 has 16 divisors (see below), whose sum is σ = 1858356864. Its totient is φ = 707944704.

The previous prime is 1222311371. The next prime is 1222311443. The reversal of 1222311441 is 1441132221.

1222311441 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222311441 - 2⁷ = 1222311313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222311443) 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, 921141 + ... + 922466.

It is an arithmetic number, because the mean of its divisors is an integer number (116147304).

Almost surely, 2^1222311441 is an apocalyptic number.

It is an amenable number.

1222311441 is a deficient number, since it is larger than the sum of its proper divisors (636045423).

1222311441 is a wasteful number, since it uses less digits than its factorization.

1222311441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843640.

The product of its digits is 384, while the sum is 21.

The square root of 1222311441 is about 34961.5709172228. The cubic root of 1222311441 is about 1069.2041250286.

Adding to 1222311441 its reverse (1441132221), we get a palindrome (2663443662).

The spelling of 1222311441 in words is "one billion, two hundred twenty-two million, three hundred eleven thousand, four hundred forty-one".