1222130241 has 16 divisors (see below), whose sum is σ = 1811286720. Its totient is φ = 814428000.

The previous prime is 1222130213. The next prime is 1222130243. The reversal of 1222130241 is 1420312221.

It is a happy number.

It is not a de Polignac number, because 1222130241 - 2⁷ = 1222130113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222130243) 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, 73486 + ... + 88568.

It is an arithmetic number, because the mean of its divisors is an integer number (113205420).

Almost surely, 2^1222130241 is an apocalyptic number.

It is an amenable number.

1222130241 is a deficient number, since it is larger than the sum of its proper divisors (589156479).

1222130241 is a wasteful number, since it uses less digits than its factorization.

1222130241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093 (or 18087 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1222130241 is about 34958.9794044391. The cubic root of 1222130241 is about 1069.1512881505.

Adding to 1222130241 its reverse (1420312221), we get a palindrome (2642442462).

It can be divided in two parts, 122213024 and 1, that added together give a square (122213025 = 11055²).

The spelling of 1222130241 in words is "one billion, two hundred twenty-two million, one hundred thirty thousand, two hundred forty-one".