222211221211232 has 24 divisors (see below), whose sum is σ = 477249100102152. Its totient is φ = 101005100550400.

The previous prime is 222211221211229. The next prime is 222211221211237. The reversal of 222211221211232 is 232112122112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211221211237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315640938869 + ... + 315640939572.

It is an arithmetic number, because the mean of its divisors is an integer number (19885379170923).

Almost surely, 2^{222211221211232} is an apocalyptic number.

222211221211232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222211221211232 is an abundant number, since it is smaller than the sum of its proper divisors (255037878890920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222211221211232 is a wasteful number, since it uses less digits than its factorization.

222211221211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631281878462 (or 631281878454 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

Adding to 222211221211232 its reverse (232112122112222), we get a palindrome (454323343323454).

The spelling of 222211221211232 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred eleven thousand, two hundred thirty-two".