1105222155 has 32 divisors (see below), whose sum is σ = 1819321344. Its totient is φ = 572649216.

The previous prime is 1105222147. The next prime is 1105222193. The reversal of 1105222155 is 5512225011.

It is not a de Polignac number, because 1105222155 - 2³ = 1105222147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90864 + ... + 102306.

It is an arithmetic number, because the mean of its divisors is an integer number (56853792).

Almost surely, 2^1105222155 is an apocalyptic number.

1105222155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105222155 is a deficient number, since it is larger than the sum of its proper divisors (714099189).

1105222155 is a wasteful number, since it uses less digits than its factorization.

1105222155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11635.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1105222155 is about 33244.8816361256. The cubic root of 1105222155 is about 1033.9110907669.

Adding to 1105222155 its reverse (5512225011), we get a palindrome (6617447166).

The spelling of 1105222155 in words is "one billion, one hundred five million, two hundred twenty-two thousand, one hundred fifty-five".