1222340021331 has 32 divisors (see below), whose sum is σ = 1916001346560. Its totient is φ = 683366976000.

The previous prime is 1222340021323. The next prime is 1222340021333. The reversal of 1222340021331 is 1331200432221.

It is not a de Polignac number, because 1222340021331 - 2³ = 1222340021323 is a prime.

It is a super-2 number, since 2×1222340021331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222340021333) 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, 317995 + ... + 1595556.

It is an arithmetic number, because the mean of its divisors is an integer number (59875042080).

Almost surely, 2^{1222340021331} is an apocalyptic number.

1222340021331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222340021331 is a deficient number, since it is larger than the sum of its proper divisors (693661325229).

1222340021331 is a wasteful number, since it uses less digits than its factorization.

1222340021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915067.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1222340021331 its reverse (1331200432221), we get a palindrome (2553540453552).

The spelling of 1222340021331 in words is "one trillion, two hundred twenty-two billion, three hundred forty million, twenty-one thousand, three hundred thirty-one".