1222212444231 has 32 divisors (see below), whose sum is σ = 1761929936640. Its totient is φ = 750983145984.

The previous prime is 1222212444221. The next prime is 1222212444241. The reversal of 1222212444231 is 1324442122221.

It is an interprime number because it is at equal distance from previous prime (1222212444221) and next prime (1222212444241).

It is not a de Polignac number, because 1222212444231 - 2¹⁵ = 1222212411463 is a prime.

It is a super-2 number, since 2×1222212444231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222212444221) 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 31 ways as a sum of consecutive naturals, for example, 25522396 + ... + 25570238.

It is an arithmetic number, because the mean of its divisors is an integer number (55060310520).

Almost surely, 2^{1222212444231} is an apocalyptic number.

1222212444231 is a deficient number, since it is larger than the sum of its proper divisors (539717492409).

1222212444231 is a wasteful number, since it uses less digits than its factorization.

1222212444231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60015.

The product of its digits is 12288, while the sum is 30.

Adding to 1222212444231 its reverse (1324442122221), we get a palindrome (2546654566452).

The spelling of 1222212444231 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, four hundred forty-four thousand, two hundred thirty-one".