1222021241 has 24 divisors (see below), whose sum is σ = 1462802400. Its totient is φ = 1017479232.

The previous prime is 1222021223. The next prime is 1222021249. The reversal of 1222021241 is 1421202221.

It is not a de Polignac number, because 1222021241 - 2¹⁴ = 1222004857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222021249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237110 + ... + 242208.

It is an arithmetic number, because the mean of its divisors is an integer number (60950100).

Almost surely, 2^1222021241 is an apocalyptic number.

It is an amenable number.

1222021241 is a deficient number, since it is larger than the sum of its proper divisors (240781159).

1222021241 is an equidigital number, since it uses as much as digits as its factorization.

1222021241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253 (or 5246 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222021241 is about 34957.4203996805. The cubic root of 1222021241 is about 1069.1195018615.

Adding to 1222021241 its reverse (1421202221), we get a palindrome (2643223462).

The spelling of 1222021241 in words is "one billion, two hundred twenty-two million, twenty-one thousand, two hundred forty-one".