1313440242222 has 16 divisors (see below), whose sum is σ = 2626906943232. Its totient is φ = 437809004280.

The previous prime is 1313440242217. The next prime is 1313440242227. The reversal of 1313440242222 is 2222420443131.

It is an interprime number because it is at equal distance from previous prime (1313440242217) and next prime (1313440242227).

It is a self number, because there is not a number n which added to its sum of digits gives 1313440242222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313440242227) 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, 425104 + ... + 1675587.

It is an arithmetic number, because the mean of its divisors is an integer number (164181683952).

Almost surely, 2^{1313440242222} is an apocalyptic number.

1313440242222 is an abundant number, since it is smaller than the sum of its proper divisors (1313466701010).

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

1313440242222 is a wasteful number, since it uses less digits than its factorization.

1313440242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204903.

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

Adding to 1313440242222 its reverse (2222420443131), we get a palindrome (3535860685353).

The spelling of 1313440242222 in words is "one trillion, three hundred thirteen billion, four hundred forty million, two hundred forty-two thousand, two hundred twenty-two".