1110722222 has 4 divisors (see below), whose sum is σ = 1666083336. Its totient is φ = 555361110.

The previous prime is 1110722201. The next prime is 1110722227. The reversal of 1110722222 is 2222270111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222270111 = 14563 ⋅152597.

It is a junction number, because it is equal to n+sod(n) for n = 1110722194 and 1110722203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110722227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277680554 + ... + 277680557.

It is an arithmetic number, because the mean of its divisors is an integer number (416520834).

Almost surely, 2^1110722222 is an apocalyptic number.

1110722222 is a deficient number, since it is larger than the sum of its proper divisors (555361114).

1110722222 is an equidigital number, since it uses as much as digits as its factorization.

1110722222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555361113.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1110722222 is about 33327.4994861601. The cubic root of 1110722222 is about 1035.6233176622.

Adding to 1110722222 its reverse (2222270111), we get a palindrome (3332992333).

The spelling of 1110722222 in words is "one billion, one hundred ten million, seven hundred twenty-two thousand, two hundred twenty-two".