1222301231 has 8 divisors (see below), whose sum is σ = 1232000880. Its totient is φ = 1212636672.

The previous prime is 1222301203. The next prime is 1222301237. The reversal of 1222301231 is 1321032221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222301231 - 2¹⁸ = 1222039087 is a prime.

It is a super-2 number, since 2×1222301231² = 2988040598608230722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222301237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63500 + ... + 80478.

It is an arithmetic number, because the mean of its divisors is an integer number (154000110).

Almost surely, 2^1222301231 is an apocalyptic number.

1222301231 is a deficient number, since it is larger than the sum of its proper divisors (9699649).

1222301231 is a wasteful number, since it uses less digits than its factorization.

1222301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222301231 is about 34961.4248994517. The cubic root of 1222301231 is about 1069.2011479901.

Adding to 1222301231 its reverse (1321032221), we get a palindrome (2543333452).

The spelling of 1222301231 in words is "one billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-one".