11226145 has 12 divisors (see below), whose sum is σ = 15671124. Its totient is φ = 7697760.

The previous prime is 11226109. The next prime is 11226157. The reversal of 11226145 is 54162211.

It can be written as a sum of positive squares in 2 ways, for example, as 8767521 + 2458624 = 2961^2 + 1568^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11226145 is a prime.

It is a super-2 number, since 2×11226145² = 252052663122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22666 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (1305927).

Almost surely, 2^11226145 is an apocalyptic number.

It is an amenable number.

11226145 is a deficient number, since it is larger than the sum of its proper divisors (4444979).

11226145 is an equidigital number, since it uses as much as digits as its factorization.

11226145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45840 (or 45833 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 11226145 is about 3350.5439856835. The cubic root of 11226145 is about 223.9117490899.

Adding to 11226145 its reverse (54162211), we get a palindrome (65388356).

The spelling of 11226145 in words is "eleven million, two hundred twenty-six thousand, one hundred forty-five".