11222223456788 has 12 divisors (see below), whose sum is σ = 19639016396832. Its totient is φ = 5611075914840.

The previous prime is 11222223456767. The next prime is 11222223456803. The reversal of 11222223456788 is 88765432222211.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8242070 + ... + 9506637.

It is an arithmetic number, because the mean of its divisors is an integer number (1636584699736).

Almost surely, 2^{11222223456788} is an apocalyptic number.

It is an amenable number.

11222223456788 is a deficient number, since it is larger than the sum of its proper divisors (8416792940044).

11222223456788 is a wasteful number, since it uses less digits than its factorization.

11222223456788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906782 (or 17906780 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

Adding to 11222223456788 its reverse (88765432222211), we get a palindrome (99987655678999).

The spelling of 11222223456788 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred fifty-six thousand, seven hundred eighty-eight".