11227770 has 24 divisors (see below), whose sum is σ = 29192436. Its totient is φ = 2994048.

The previous prime is 11227751. The next prime is 11227771. The reversal of 11227770 is 7772211.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 904401 = 3213^2 + 951^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11227771) 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 11 ways as a sum of consecutive naturals, for example, 62287 + ... + 62466.

Almost surely, 2^11227770 is an apocalyptic number.

11227770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11227770 is an abundant number, since it is smaller than the sum of its proper divisors (17964666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11227770 is a wasteful number, since it uses less digits than its factorization.

11227770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124766 (or 124763 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 11227770 is about 3350.7864748444. The cubic root of 11227770 is about 223.9225524137.

Adding to 11227770 its reverse (7772211), we get a palindrome (18999981).

The spelling of 11227770 in words is "eleven million, two hundred twenty-seven thousand, seven hundred seventy".