11228025 has 36 divisors (see below), whose sum is σ = 19474448. Its totient is φ = 5707680.

The previous prime is 11228023. The next prime is 11228029. The reversal of 11228025 is 52082211.

It is a happy number.

11228025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11228025 - 2¹ = 11228023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11227992 and 11228010.

It is not an unprimeable number, because it can be changed into a prime (11228023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39534 + ... + 39816.

Almost surely, 2^11228025 is an apocalyptic number.

11228025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11228025 is a deficient number, since it is larger than the sum of its proper divisors (8246423).

11228025 is a wasteful number, since it uses less digits than its factorization.

11228025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11228025 is about 3350.8245253967. The cubic root of 11228025 is about 223.9242476098.

The spelling of 11228025 in words is "eleven million, two hundred twenty-eight thousand, twenty-five".