1103220455 has 4 divisors (see below), whose sum is σ = 1323864552. Its totient is φ = 882576360.

The previous prime is 1103220451. The next prime is 1103220509. The reversal of 1103220455 is 5540223011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5540223011 = 15091 ⋅367121.

It is not a de Polignac number, because 1103220455 - 2² = 1103220451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103220455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103220451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110322041 + ... + 110322050.

It is an arithmetic number, because the mean of its divisors is an integer number (330966138).

Almost surely, 2^1103220455 is an apocalyptic number.

1103220455 is a deficient number, since it is larger than the sum of its proper divisors (220644097).

1103220455 is an equidigital number, since it uses as much as digits as its factorization.

1103220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220644096.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1103220455 is about 33214.7626064074. The cubic root of 1103220455 is about 1033.2865314102.

Adding to 1103220455 its reverse (5540223011), we get a palindrome (6643443466).

The spelling of 1103220455 in words is "one billion, one hundred three million, two hundred twenty thousand, four hundred fifty-five".