1122234567778 has 16 divisors (see below), whose sum is σ = 1729023589944. Its totient is φ = 545896454400.

The previous prime is 1122234567749. The next prime is 1122234567799. The reversal of 1122234567778 is 8777654322211.

It can be written as a sum of positive squares in 4 ways, for example, as 1099547279649 + 22687288129 = 1048593^2 + 150623^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33175 + ... + 1498522.

Almost surely, 2^{1122234567778} is an apocalyptic number.

1122234567778 is a deficient number, since it is larger than the sum of its proper divisors (606789022166).

1122234567778 is a wasteful number, since it uses less digits than its factorization.

1122234567778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541637.

The product of its digits is 7902720, while the sum is 55.

Adding to 1122234567778 its reverse (8777654322211), we get a palindrome (9899888889989).

The spelling of 1122234567778 in words is "one trillion, one hundred twenty-two billion, two hundred thirty-four million, five hundred sixty-seven thousand, seven hundred seventy-eight".