1222542400105 has 16 divisors (see below), whose sum is σ = 1581849105984. Its totient is φ = 901687308480.

The previous prime is 1222542400073. The next prime is 1222542400141. The reversal of 1222542400105 is 5010042452221.

It is a happy number.

It is not a de Polignac number, because 1222542400105 - 2⁵ = 1222542400073 is a prime.

It is a super-2 number, since 2×1222542400105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11543059 + ... + 11648488.

It is an arithmetic number, because the mean of its divisors is an integer number (98865569124).

Almost surely, 2^{1222542400105} is an apocalyptic number.

It is an amenable number.

1222542400105 is a deficient number, since it is larger than the sum of its proper divisors (359306705879).

1222542400105 is a wasteful number, since it uses less digits than its factorization.

1222542400105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192376.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 1222542400105 its reverse (5010042452221), we get a palindrome (6232584852326).

The spelling of 1222542400105 in words is "one trillion, two hundred twenty-two billion, five hundred forty-two million, four hundred thousand, one hundred five".