1222221341 has 16 divisors (see below), whose sum is σ = 1486071360. Its totient is φ = 990708480.

The previous prime is 1222221337. The next prime is 1222221347. The reversal of 1222221341 is 1431222221.

It is a cyclic number.

It is not a de Polignac number, because 1222221341 - 2² = 1222221337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221347) 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, 168446 + ... + 175551.

It is an arithmetic number, because the mean of its divisors is an integer number (92879460).

Almost surely, 2^1222221341 is an apocalyptic number.

1222221341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222221341 is a deficient number, since it is larger than the sum of its proper divisors (263850019).

1222221341 is a wasteful number, since it uses less digits than its factorization.

1222221341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344044.

The product of its digits is 384, while the sum is 20.

The square root of 1222221341 is about 34960.2823358165. The cubic root of 1222221341 is about 1069.1778530394.

Adding to 1222221341 its reverse (1431222221), we get a palindrome (2653443562).

The spelling of 1222221341 in words is "one billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred forty-one".