11228045 has 16 divisors (see below), whose sum is σ = 14059008. Its totient is φ = 8598720.

The previous prime is 11228029. The next prime is 11228047. The reversal of 11228045 is 54082211.

It is not a de Polignac number, because 11228045 - 2⁴ = 11228029 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 11228045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228047) 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 in 15 ways as a sum of consecutive naturals, for example, 16247 + ... + 16923.

It is an arithmetic number, because the mean of its divisors is an integer number (878688).

Almost surely, 2^11228045 is an apocalyptic number.

It is an amenable number.

11228045 is a deficient number, since it is larger than the sum of its proper divisors (2830963).

11228045 is a wasteful number, since it uses less digits than its factorization.

11228045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 11228045 is about 3350.8275097355. The cubic root of 11228045 is about 223.9243805653.

The spelling of 11228045 in words is "eleven million, two hundred twenty-eight thousand, forty-five".