1100225513 has 4 divisors (see below), whose sum is σ = 1105986048. Its totient is φ = 1094464980.

The previous prime is 1100225501. The next prime is 1100225537. The reversal of 1100225513 is 3155220011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100225513 - 2¹² = 1100221417 is a prime.

It is a super-2 number, since 2×1100225513² = 2420992358912226338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100225543) 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, 2879981 + ... + 2880362.

It is an arithmetic number, because the mean of its divisors is an integer number (276496512).

Almost surely, 2^1100225513 is an apocalyptic number.

It is an amenable number.

1100225513 is a deficient number, since it is larger than the sum of its proper divisors (5760535).

1100225513 is an equidigital number, since it uses as much as digits as its factorization.

1100225513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760534.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1100225513 is about 33169.6474657178. The cubic root of 1100225513 is about 1032.3506538440.

Adding to 1100225513 its reverse (3155220011), we get a palindrome (4255445524).

The spelling of 1100225513 in words is "one billion, one hundred million, two hundred twenty-five thousand, five hundred thirteen".