1108220115 has 16 divisors (see below), whose sum is σ = 1821076128. Its totient is φ = 575076096.

The previous prime is 1108220111. The next prime is 1108220153. The reversal of 1108220115 is 5110228011.

It is not a de Polignac number, because 1108220115 - 2² = 1108220111 is a prime.

It is a super-2 number, since 2×1108220115² = 2456303646581226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1108220091 and 1108220100.

It is not an unprimeable number, because it can be changed into a prime (1108220111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997842 + ... + 998951.

It is an arithmetic number, because the mean of its divisors is an integer number (113817258).

Almost surely, 2^1108220115 is an apocalyptic number.

1108220115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1108220115 is a deficient number, since it is larger than the sum of its proper divisors (712856013).

1108220115 is a wasteful number, since it uses less digits than its factorization.

1108220115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996838.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 1108220115 is about 33289.9401471375. The cubic root of 1108220115 is about 1034.8450887198.

Adding to 1108220115 its reverse (5110228011), we get a palindrome (6218448126).

The spelling of 1108220115 in words is "one billion, one hundred eight million, two hundred twenty thousand, one hundred fifteen".