1222340442231 has 8 divisors (see below), whose sum is σ = 1638231750640. Its totient is φ = 810671380992.

The previous prime is 1222340442229. The next prime is 1222340442263. The reversal of 1222340442231 is 1322440432221.

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

It is not a de Polignac number, because 1222340442231 - 2¹ = 1222340442229 is a prime.

It is a super-2 number, since 2×1222340442231² (a number of 25 digits) 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 (1222340442331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055561116 + ... + 1055562273.

It is an arithmetic number, because the mean of its divisors is an integer number (204778968830).

Almost surely, 2^{1222340442231} is an apocalyptic number.

1222340442231 is a deficient number, since it is larger than the sum of its proper divisors (415891308409).

1222340442231 is a wasteful number, since it uses less digits than its factorization.

1222340442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111123585.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1222340442231 its reverse (1322440432221), we get a palindrome (2544780874452).

The spelling of 1222340442231 in words is "one trillion, two hundred twenty-two billion, three hundred forty million, four hundred forty-two thousand, two hundred thirty-one".